from:"Barry"

RE: [Repeater-Builder] Circular polarization for VHF repeaters?

2010-09-02 Thread Barry


I can't see a problem in making a test unit

 doesn't look like rocket science 

http://www.hardhack.org.au/polarisation
 some copper and solder 
http://www.astronwireless.com/topic-archives-antennas-polarization.asp

To: Repeater-Builder@yahoogroups.com
From: k...@catonic.us
Date: Thu, 2 Sep 2010 00:31:15 -0500
Subject: Re: [Repeater-Builder] Circular polarization for VHF repeaters?


















 



  



  
  
  On Thu, 2 Sep 2010, Gary - K7EK wrote:

> In the 80's there was a amateur radio repeater book by a fellow, 

> Pasternak I believe, that took two gamma match style Cuschcraft Four 

> Pole antennas, combined them, and did some magic with phasing lines to 

> end up with a four bay circularly polarized repeater antenna.  

> Unfortunately the description leaves much to be desired, at least for 

> me, so I never built one. If he would have included specifics on 

> phasing line lengths, cable types, etc, the job would have been a 

> whole lot easier. Has anyone actually gone circular with Cushcraft 

> Four Poles, and if so, could you please share it with me and/or this 

> group?

> 

> I have done some inquiring to commercial companies about a custom 

> built two meter four bay circularly polarized array, but that is 

> entirely out of the question. They want thousands of dollars. There 

> must be an easier (and cheaper) way.

> 

> Similarly, is anyone in this group running circular polarization on 

> your amateur repeater(s), and if so, could you please share the 

> details in a manner that could be duplicated without a lot of guess 

> work?

> 

> I know that I could easily solve my multipath problem by installing 

> one or more remote receivers, however I would like to keep that as a 

> last resort and shoot for a circularly polarized antenna system at the 

> main repeater site.  I do understand that there is approximately 3 db 

> of loss as a result of this, but that is quite acceptable. The 

> dividends would greatly outweigh the down side.

> 

> Thanks for any constructive ideas, suggestions, links, etc, that you 

> might be willing to share concerning this situation.



There's also a recent article in QST about a passive Lindenblad using an 

active dipole as a center section and four passive aluminum wires 

suspended from a plastic mechanism. 



I've looked at that and said... that wire/plastic assembly, and one of 

the old Motorola TAD series dipoles ... would make a DC-grounded 

circularly polarized antenna that should be good for a few hundred 

watts, and a minimally preferential (non-circular) pattern. 



You're in unexplored territory. The best way in is to locate a low-power 

FM station that upgraded to a higher-power transmitter, buy the antenna 

from them, and get Jampro to cut it down for your frequency. Of course, 

that's real dollars... anything else will be improvised.  



It would be a good idea to look at the terrain you're trying to cover 

and see what beamwidth fits it best. If you have the money to spec out 

an antenna with some null-fill and a lot of gain, like a customized 

DB-228, you'll find that coverage is second to none. Typically speaking, 

you don't need much antenna gain to cover close in to the tower because 

the distance losses are less. And you can always address that with a 1/4 

wave dipole on the top of the building connected to a voter reciever. 



Theoretically speaking, circular polarization results when the vertical 

and horizontal components are 90-degrees seperate from each other. The 

Cycloid dipole accomplishes this simply, using a vector sum of the two 

to make circular polarization. It's synthesized -- 1/2 horizontal + 1/2 

vertical = so many degrees hypotenuse. 



It gets complicated to start working up in those regions, almost to the 

point of designing panel antennas and putting one on each side of the 

tower to get a decent pattern. It's difficult to phase antennas and 

preserve some form of a pattern with them.



--

Kris Kirby, KE4AHR

Disinformation Analyst

RE: [Repeater-Builder] Circular polarization for VHF repeaters?

2010-09-01 Thread Barry

http://www.qsl.net/n9zia/cir_pol_rpt.html ?

To: Repeater-Builder@yahoogroups.com
From: gary.k...@yahoo.com
Date: Thu, 2 Sep 2010 02:44:16 +
Subject: [Repeater-Builder] Circular polarization for VHF repeaters?

Greetings,

I am in a particularly sticky situation with one of my two meter repeaters in 
Lakewood, WA (Tacoma). I have generally great coverage, however there is a very 
annoying problem with multipath and raspy signals in a large portion of my 
coverage area. Since the Puget Sound area of Western Washington is very hilly 
and mountainous, multipath is very damaging to all forms of VHF communication.

RE: [Repeater-Builder] Re: Wouxun Radio

2010-08-31 Thread Barry


This year I am giving time to Jota 
 and a 60ft tower 
and an ft857
and a gallon 
 etc etc 
 still I was a scout once 
 roughing it out there is eating my fill and calling cq in the middle of the 
bush :)

To: Repeater-Builder@yahoogroups.com
From: k1ike_m...@snet.net
Date: Tue, 31 Aug 2010 07:51:48 -0400
Subject: Re: [Repeater-Builder] Re: Wouxun Radio


















 



  



  
  
  

  
  
Well, some will be appliance operators, but a few will take an
interest and become the future of ham radio.  We need the "head
count" to keep our hobby alive and well.  I've seen many new hams
that had no background in electronics get their ticket by memorizing
the test.  They then dove into the hobby and became true assets to
the hobby.  Others just like to talk, and that's OK too.  I guess
I'm and optimist.



Oh, I've been doing this ham radio since 1958, so I think I can say
the above with some creditability.



Welcome to all the new hams, no matter how you got your ticket.



73, Joe, K1ike



    

    On 8/31/2010 1:21 AM, Barry wrote:


  
  
  
  Much the same on the base permit here in Au 

  

   but what do I know after 30+ years of yabering 

  

  To: Repeater-Builder@yahoogroups.com

  From: glennmaill...@bellsouth.net

  Date: Mon, 30 Aug 2010 23:09:42 -0400

  Subject: RE: [Repeater-Builder] Re: Wouxun Radio

  

  
  
   
  

   Welcome to the new hams that are
taught the test and have no idea what
the questions mean.



73

Glenn

WB4UIV

Ham of the old school.

Had to draw schematics and understand what they were about
to get my
license.

RE: [Repeater-Builder] Fw: DON'T BUY IT AND DON'T USE IT !!!------READ IT

2010-08-25 Thread Barry



PLONK

RE: [Repeater-Builder] Sorry everyone

2010-08-12 Thread Barry

I use a simple bootable usb stick with win7 and avira and a couple of other 
tools on other peoples machines 
 I mine a drop the vitrual machine and it's clean

To: Repeater-Builder@yahoogroups.com
From: n9...@ameritech.net
Date: Thu, 12 Aug 2010 06:51:33 -0700
Subject: Re: [Repeater-Builder] Sorry everyone

  AVG Free anti-virus software also has a built-in spyware removal tool.  I 
also use the ones George captioned below - and even I get bit every once in a 
while by some new bug.

It's amazing that so many people have the time on their hands to be able to 
propagate all this crap...

Mark - N9WYS

--- On Wed, 8/11/10, George Henry wrote:

Nonsense!  Spybot Search & Destroy, Ad-Aware, Malwarebytes Anti-Malware, and 
SuperAntiSpyware are all EXCELLENT free anti-spyware programs.  I routinely use 
all 4 of them to clean up infections for people.  No spyware in ANY of them 
and, between the four programs, I have yet to run into something I 
couldn't clean.

George, KA3HSW / WQGJ413 

- Original Message - 
From: "Tim Sawyer"

>Was your machine on while you were away? If so you may have gotten a virus 
>or spyware. Sounds like your wife got it too. Spamers like to >infect 
>machines just to get control of them for sending spam. The really bad news 
>is that most free spyware removal software is spyware itself. A >really 
>good PC guy might be able to remove it. Good luck man!
>--
>Tim

RE: [Repeater-Builder] Re: Give Away - Motorola Micor VHF/UHF Mobiles & GE Low Band Mobiles

2010-08-01 Thread Barry


Did you get wifeys permission yet ?

To: Repeater-Builder@yahoogroups.com
From: noahsi...@hotmail.com
Date: Sun, 1 Aug 2010 05:06:51 +
Subject: [Repeater-Builder] Re: Give Away - Motorola Micor VHF/UHF Mobiles & GE 
Low Band Mobiles


















 



  



  
  
  Looks like I'm moving to Texas! ;p

RE: [Repeater-Builder] Re: Base station coax connector weatherproofing recommendations?

2010-07-27 Thread Barry

Nitto make a good self sealing rubber tape which is perfect and lives for years 
 which is cheap and quick
wind towrds  the connector and it will seal without paints in a few minutes 
only thi g is it is a little tough once weathered to remove and break the seal

To: Repeater-Builder@yahoogroups.com
From: tonyn2...@gmail.com
Date: Wed, 28 Jul 2010 03:08:17 +
Subject: [Repeater-Builder] Re: Base station coax connector weatherproofing 
recommendations?

  I was taught by an old ham who did a lot of commercial installations the 
following. 

His advice was to use good quality tape 3M 33 or 88 tape. Start at the 
connector wrap downward past the connector. Spray with clear spray paint. Wrap 
2 starts at the bottom the the 1st wrap go upward to the connector. Apply 
another coat of clear spray to seal the tape. Layer 3 starts at the connector 
again and goes downward past the end of previous wraps. Spray again. 

This gives a good water tight job. When you are inspecting the antenna you 
simply note the direction of the tape if it should come lose. You'll know how 
immediately it may or may not need attention.

I did this after pealing off the sticky mess of coax seal on a rooftop 
installation.  The previous installer was even so "thoughtful" as to plug the 
hole in the base of the Stationmaster. Actually the only thing holding the 
connector to the hardline was the seal as I suspected by the noise when the 
wind picked up. Several years of PA failures, some years it was twice a year, 
were history. 

Tony

--- In Repeater-Builder@yahoogroups.com, "jland138"  wrote:

>

> Any recommendations or best practices on weatherproofing the coax connection 
> to a base station antenna? The Comtelco XL (or horrors! Antenex FG) series 
> both have a drain system at the base that need to remain open. Is it as 
> simple as some coax seal and avoid plugging the drain holes?

> 

> Any recommendations on using heat shrink at the cable end of the coax 
> connector? Does it help, or does it eventually wind up as a moisture 
> reservoir?

RE: [Repeater-Builder] Re: Controller recommendations

2010-07-17 Thread Barry


Maybe the steps in making it 12  ?
  
_
Need a new place to live? Find it on Domain.com.au
http://clk.atdmt.com/NMN/go/157631292/direct/01/

RE: [Repeater-Builder] question for commercial radio shops

2010-07-13 Thread Barry

To: Repeater-Builder@yahoogroups.com
From: kd5...@gmail.com
Date: Wed, 14 Jul 2010 00:23:43 +
Subject: [Repeater-Builder] question for commercial radio shops

  If a person whom you knew and is involved in a number

of church youth camps activities asked you to program

FRS frequencies into a 4w UHF HT type accepted for LMR

would you do so ?  It would only be for extended range

at camp.

My gut is to tell him no...

Sorry for the slightly off topic postI just need a 

little extra thought on the subject...

Bad thing is the person asking is the captain of my 

Volunteer FD.

73,

Jon
 Is it legal ?
 will you get bitten on the butt ?
 imho a two letter answer 

_
Need a new place to live? Find it on Domain.com.au
http://clk.atdmt.com/NMN/go/157631292/direct/01/

RE: [Repeater-Builder] Re: Silver plating of cavities advice please?

2010-07-13 Thread Barry


S don't tell anyone 

 make that a thrupenny bit then 
  
_
If It Exists, You'll Find it on SEEK. Australia's #1 job site
http://clk.atdmt.com/NMN/go/157639755/direct/01/

RE: [Repeater-Builder] Re: Silver plating of cavities advice please?

2010-07-12 Thread Barry


If you have a stable dc supply some chemicals to make a pickle solution and a 
silver dollar the rest is easy

 google is very useful by the way
  
_
Browse profiles for FREE! Meet local singles online.
http://clk.atdmt.com/NMN/go/150855801/direct/01/

RE: [Repeater-Builder] Re: Silver plating of cavities advice please?

2010-07-11 Thread Barry


Silver plate does help in the long run
if you travel miles twice a year to clean + polish then plating wil reduce/stop 
tarnish and might help Q , as for insertion lose improvements >sometimes 
  
_
Browse profiles for FREE! Meet local singles online.
http://clk.atdmt.com/NMN/go/150855801/direct/01/

RE: [Repeater-Builder] Repeater Control Operator via Other-Than-Phone-Line

2010-07-08 Thread Barry


I would assume conversion of the line to naked dsl is possible offering control 
, net connection and voip 
 it has potentual
  
_
Need a new place to live? Find it on Domain.com.au
http://clk.atdmt.com/NMN/go/157631292/direct/01/

RE: [Repeater-Builder] Re: tone panel deal of the moment

2010-07-02 Thread Barry

Did you get that email ?
x.tait ?

To: Repeater-Builder@yahoogroups.com
From: x.tait.t...@gmail.com
Date: Sat, 3 Jul 2010 11:52:28 +1200
Subject: Re: [Repeater-Builder] Re: tone panel deal of the moment

  this is what i refer to,
it is easy to make friends when people on lists like this are friendly, 
i just never seem to live anywhere the good bargins always seem to be
but i shall let time be my saviour

Thankyou Sir

Marcus

On Sat, Jul 3, 2010 at 3:16 AM, skipp025  wrote:

> "x.tait.tech"  wrote:

> US sales only , typical,

> Marcus

Hi Marcus, 

If you became friends with some of the US Based people on 

the group... over time building a rapport, some of us do 

on occasion offer to help. 

The problem is... many of times I've helped someone outside 

the US Deal with Ebay Shipments it's like a large water dam 

bursts and they flood me with excessive shipping work ... 

There are companies that can help deal with outside US Shipping. 

... and there are some countries that seem to go out of their 

way to make shipping packages a real pain in the pazzoo. The 

global market place isn't always so easy to deal with. 

cheers, 

s. 

> > If you have any interest in playing with a Repeater CTCSS

> > "Tone Panel"... here's the deal of the moment.

> >

> > Ebay Item 220627865813

> > COM SPEC REPETER TONE PANEL

> >

> > Starting bid: US $20.00

> >

> > If nothing else you could tack it onto the disc (in some

> > cases even the low level recorder) output of your scanner

> > for a visual of the tone in use.

> >

> > Hope someone gets the great deal...

> >

> > s.

> >

> > And no, I don't have anything to do with the auction... I'd buy this

> > auction if I didn't already have one (actually more than one) of

> > these units.

_
If It Exists, You'll Find it on SEEK. Australia's #1 job site
http://clk.atdmt.com/NMN/go/157639755/direct/01/

RE: [Repeater-Builder] lowband HT antennas

2010-07-01 Thread Barry




To: Repeater-Builder@yahoogroups.com
From: ka8...@verizon.net
Date: Thu, 1 Jul 2010 04:45:20 -0400
Subject: Re: [Repeater-Builder] lowband HT antennas


















 



  



  
  
  Ummm, shouldn't that be the other way around???




Sigh




 nah







29 MHz = 10 Meters (approx.)

150 MHz = 2 meters (approx.)



Dan

KA8YPY



On Jul 1, 2010, at 12:43 AM, Barry wrote:



>

>

> Real easy  to visualise

>

>  consider the length of a wavelength then lay the antenna against it

>  the ht stick gets shorter in comparision the lower in frequency

>

> Find it at CarPoint.com.au New, Used, Demo, Dealer or Private?

>

> 







 









  
_
New, Used, Demo, Dealer or Private? Find it at CarPoint.com.au
http://clk.atdmt.com/NMN/go/206222968/direct/01/

RE: [Repeater-Builder] lowband HT antennas

2010-06-30 Thread Barry


Real easy  to visualise

 consider the length of a wavelength then lay the antenna against it 
 the ht stick gets shorter in comparision the lower in frequency 
  
_
New, Used, Demo, Dealer or Private? Find it at CarPoint.com.au
http://clk.atdmt.com/NMN/go/206222968/direct/01/

[Repeater-Builder] I never learn

2010-06-30 Thread Barry


When our lawn mower broke and  wouldn't run, my wife kept hinting to me
that I should get it  fixed..

But, somehow I always had something else to  take care of first, the shed,
the Ute, making beer.. Always  something more important to me.

Finally she thought of  a clever way to make her point.

When I arrived home  one day, I found her seated in the tall grass, busily
snipping away  with a tiny pair of sewing scissors. I watched silently for
a short  time and then went into the house.. I was gone only a minute, and
when I came out again I handed her a toothbrush.

I  said,

'When you finish cutting the grass, you might as  well sweep the driveway.'


The doctors say I will walk  again, but I will always have a limp. 


  
_
New, Used, Demo, Dealer or Private? Find it at CarPoint.com.au
http://clk.atdmt.com/NMN/go/206222968/direct/01/

RE: [Repeater-Builder] Re: Advice on 40 year old radio tower

2010-06-03 Thread Barry



As I said find someone who know metal 
 and engineer or metal worker that has a clue and have then do the testing , 
it's possible to do dye checks n stuff for the bolts and ask the metal workers 
advice about rust testing , it really needs a paint job once you are sure it's 
safe to climb . Trust me a small fall of 20ft hurts bad so 100 feet riding a 
tower down means no recovery and no future  and good luck 
To: Repeater-Builder@yahoogroups.com
From: dgrap...@gmail.com
Date: Thu, 3 Jun 2010 13:15:42 +
Subject: [Repeater-Builder] Re: Advice on 40 year old radio tower


















 



  



  
  
  The tower is free, to use. I want to use it for a micro wave hop, the 
small open screen type dishes. The is a small bow up about 120 feet, 



can't really tell if it is bent. The only way I know of to tell if the tube is 
full of rust is drill a small hole in the base and see 



what comes out. am I thinking right on this? The bottom bolts that I 
can reach are tight, The tower base is a steel plate that sits on a concrete 
pad with a steel pin sticking up through the plate.



Denny



--- In Repeater-Builder@yahoogroups.com, Lee Pennington  
wrote:

>

> Where's the chainsaws, and weed whackers?? I agree with Barry, If I was

> twenty years younger and that tower was free and in So. Florida  I'd be

> looking for a deal on guy wire and hardware..just my

> nickels worth

>  de Lee, K4LJP

> 73

> 

> On Thu, Jun 3, 2010 at 12:54 AM, Barry  wrote:

> 

> >

> >

> > Looking at the pictures a good cleaning + painting and replacement of guys

> > after Engineering (mechanical) inspection and establishing that the tube

> > inside is not filled with flakes of rust , still seem like a good idea ?

> >

> > --

> > To: Repeater-Builder@yahoogroups.com

> > From: dgrap...@...

> > Date: Thu, 3 Jun 2010 03:11:10 +

> > Subject: [Repeater-Builder] Re: Advice on 40 year old radio tower

> >

> >

> >  Very true,this tower had it's guy wires in the woods under the trees, the

> > site was abandon for years.

> >

> > Where and how do I find an engineer to inspect it. I am in Indiana county

> > pa. Is it feasible to change guy wires, do they recomemd it?

> >

> > --- In Repeater-Builder@yahoogroups.com, "Richard W. Solomon" 

> > wrote:

> > >

> > > Tower location is an important piece of the equation. Big difference

> > > between the East Coast and the Sonoran Desert !!

> > >

> > > 73, Dick, W1KSZ

> > >

> > >

> > > -Original Message-

> > > >From: dgrapach 

> > > >Sent: Jun 2, 2010 9:27 PM

> > > >To: Repeater-Builder@yahoogroups.com

> > > >Subject: [Repeater-Builder] Advice on 40 year old radio tower

> > > >

> > > >I need advice on using an old radio tower. It looks like to be the size

> > of a 45G, the cross bars are bolted on instead of welded. The

> > > >

> > > >tower looks as if it is ok, light surface rust, bolts look ok on the

> > > >outside, of course can't see inside. Heavy rust and pitting on several

> > guy wires,

> > > >

> > > >guys are in amoung the trees, the location needs cleared, tower height

> > 150 feet. Any one have experance on this type of tower? How much rust

> > > >

> > > >is aceptable on a gut wire? How do you decide on the safety on an old

> > tower like this? What is the differance between guy wire and cable

> > > >

> > > >used as a guy wire? So many questions... Thanks for any help.

> > > >

> > > >Denny

> > > >

> > > >

> > > >

> > > >

> > > >

> > > >

> > > >

> > > >Yahoo! Groups Links

> > > >

> > > >

> > > >

> > >

> >

> >

> >

> > --

> > Find it on Domain.com.au Need a new place to 
> > live?<http://clk.atdmt.com/NMN/go/157631292/direct/01/>

> >  

> >

> 

> 

> 

> -- 

> "Always drink upstream from the herd."

>







 









  
_
Need a new place to live? Find it on Domain.com.au
http://clk.atdmt.com/NMN/go/157631292/direct/01/

RE: [Repeater-Builder] Re: Advice on 40 year old radio tower

2010-06-02 Thread Barry


Looking at the pictures a good cleaning + painting and replacement of guys 
after Engineering (mechanical) inspection and establishing that the tube inside 
is not filled with flakes of rust , still seem like a good idea ?

To: Repeater-Builder@yahoogroups.com
From: dgrap...@gmail.com
Date: Thu, 3 Jun 2010 03:11:10 +
Subject: [Repeater-Builder] Re: Advice on 40 year old radio tower


















 



  



  
  
  Very true,this tower had it's guy wires in the woods under the trees, the 
site was abandon for years. 



Where and how do I find an engineer to inspect it. I am in Indiana county pa. 
Is it feasible to change guy wires, do they recomemd it?



--- In Repeater-Builder@yahoogroups.com, "Richard W. Solomon"  wrote:

>

> Tower location is an important piece of the equation. Big difference 

> between the East Coast and the Sonoran Desert !!

> 

> 73, Dick, W1KSZ

> 

> 

> -Original Message-

> >From: dgrapach 

> >Sent: Jun 2, 2010 9:27 PM

> >To: Repeater-Builder@yahoogroups.com

> >Subject: [Repeater-Builder] Advice on 40 year old radio tower

> >

> >I need advice on using an old radio tower.  It looks like to be the size of 
> >a 45G, the cross bars are bolted on instead of welded. The 

> >

> >tower looks as if it is ok, light surface rust, bolts look ok on the 

> >outside, of course can't see inside. Heavy rust and pitting on several guy 
> >wires, 

> >

> >guys are in amoung the trees, the location needs cleared, tower height 150 
> >feet. Any one have experance on this type of tower? How much rust 

> >

> >is aceptable on a gut wire? How do you decide on the safety on an old tower 
> >like this? What is the differance between guy wire and cable 

> >

> >used as a guy wire? So many questions...  Thanks for any help.

> >

> >Denny

> >

> >

> >

> >

> >

> >

> >

> >Yahoo! Groups Links

> >

> >

> >

>







 









  
_
Need a new place to live? Find it on Domain.com.au
http://clk.atdmt.com/NMN/go/157631292/direct/01/

RE: [Repeater-Builder] Re: Advice on 40 year old radio tower

2010-06-02 Thread Barry


Have a local engineer inspect it , preferably of the mechanical kind or someone 
in construction with a clue  as it may wel be fine but wthout a decent visual 
it might fall anytime 
 At that age I would be suspicious or further use in another location 
To: Repeater-Builder@yahoogroups.com
From: dgrap...@gmail.com
Date: Thu, 3 Jun 2010 01:47:16 +
Subject: [Repeater-Builder] Re: Advice on 40 year old radio tower


















 



  



  
  
  I don't know if I can put the pictures on..



--- In Repeater-Builder@yahoogroups.com, Lee Pennington  
wrote:

>

> Pictures would help,

> 

> On Wed, Jun 2, 2010 at 9:27 PM, dgrapach  wrote:

> 

> >

> >

> > I need advice on using an old radio tower. It looks like to be the size of

> > a 45G, the cross bars are bolted on instead of welded. The

> >

> > tower looks as if it is ok, light surface rust, bolts look ok on the

> > outside, of course can't see inside. Heavy rust and pitting on several guy

> > wires,

> >

> > guys are in amoung the trees, the location needs cleared, tower height 150

> > feet. Any one have experance on this type of tower? How much rust

> >

> > is aceptable on a gut wire? How do you decide on the safety on an old tower

> > like this? What is the differance between guy wire and cable

> >

> > used as a guy wire? So many questions... Thanks for any help.

> >

> > Denny

> >

> >  

> >

> 

> 

> 

> -- 

> "Always drink upstream from the herd."

>







 









  
_
Need a new place to live? Find it on Domain.com.au
http://clk.atdmt.com/NMN/go/157631292/direct/01/

RE: [Repeater-Builder] Old TV transmitters

2010-05-12 Thread Barry


What about the Brisbane vhf group  ?

http://www.qdg.org.au/


or CBRS ( city of Brisbane radio society )

To: Repeater-Builder@yahoogroups.com
From: kerin...@pacific.net.au
Date: Wed, 12 May 2010 19:41:59 +1000
Subject: [Repeater-Builder] Old TV transmitters


















 



  



  
  
  







 
Hi guys .I know this is off subject but would anyone know where we can 
information on a electronka pee-15v TV transmitter
 

 
 

  
Thank You,
Ian Wells,
Kerinvale Comaudio,
3A Murchison Street,Biloela.4715
Ph 0749922449 or 0409159932 or 0749922574
www.kerinvalecomaudio.com.au
 
 












 









  
_
New, Used, Demo, Dealer or Private? Find it at CarPoint.com.au
http://clk.atdmt.com/NMN/go/206222968/direct/01/

RE: [possible spam] RE: [Repeater-Builder] Commercial VHF antenna on 2m

2010-05-09 Thread Barry

To: Repeater-Builder@yahoogroups.com
From: nkn...@twowayradio.net
Date: Sun, 9 May 2010 23:21:43 -0500
Subject: Re: [possible spam]  RE: [Repeater-Builder] Commercial VHF antenna on 
2m

  I am going to have to disagree with you. Take it from me. I have tried 
everything under the sun when it comes to manipulate the size of or tuning of 
the loops but to no avail. In my opinion, and Allen might disagree (listen to 
him) the harness seems to have more to do with the match than the size of the 
loops. I have gone to great length (no pun intended) to modify the lengths of 
the loops to no avail...

The harness is the key.

73

Norm 

  Sigh ...
 see my other post om

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RE: [Repeater-Builder] Commercial VHF antenna on 2m

2010-05-09 Thread Barry




To: Repeater-Builder@yahoogroups.com
From: wa9...@arrl.net
Date: Sun, 9 May 2010 20:14:19 -0700
Subject: RE: [Repeater-Builder] Commercial VHF antenna on 2m


















 



  



  
  
  Barry, I think you're dreaming.








 Ok explain to me why making the thing resonant won't make it be a better 
antenna assisting several of the issues mentioned 

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RE: [Repeater-Builder] Commercial VHF antenna on 2m

2010-05-09 Thread Barry

What ever the radiator is one word  springs to mind 
 which if adjusted correctly makes the harness much less important and explains 
the vwsr imbalance

 Resonance 
To: Repeater-Builder@yahoogroups.com
From: wa9...@arrl.net
Date: Sun, 9 May 2010 19:13:20 -0700
Subject: Re: [Repeater-Builder] Commercial VHF antenna on 2m

  Dave,
Is this a 154 MHz colinear antenna you are wanting to use on 146 MHz or one 
like a DB 224 with 4 exposed dipoles?
If the 4 exposed dipole type, just what makes you suspect that there is "a lot 
of loss" when an antenna made for 154 MHz is used at 146 MHz and how do you 
expect to tune the dipoles without compensating for the harness impedance 
matching sections mismatch also.
Allan Crites  wa9zzu

--- On Sat, 5/8/10, WA3GIN  wrote:

From: WA3GIN 
Subject: [Repeater-Builder] Commercial VHF antenna on 2m
To: Repeater-Builder@yahoogroups.com
Date: Saturday, May 8, 2010, 11:13 PM

Hi folks,

Several weeks ago I posed the question of using a Commercial VHF antenna that 
was resonant on 154Mhz on 146.745Mhz.  We tried it today. The SWR was a bit 
over 2:1 on the repeater freq. We installed a T connector after the cans and 
used an open stub to try to match the line...got it down to 1.5:1, wouldn't go 
any lower. 

We think the height of the antenna makes up for what we suspect is a lot of 
loss in the antenna. The previous location of the repeater antenna was 100ft 
ASL and this location is 525ft ASL. Maybe one day we'll get a chance to retune 
the four dipole antenna.

Thanks to all that provided ideas for this project.

73,
dave
wa3gin

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RE: [Repeater-Builder] Re: Pager Interference Revisited

2010-04-24 Thread Barry


As mentioned finding the trigger both with and without the antenna would assist 
with  a solution , it could be very simple but you need to establish possible 
triggers and monitor accordingly with the Spec  unit 
  
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RE: [Repeater-Builder] Re: Pager Interference Revisited

2010-04-24 Thread Barry


Portable sig gen into the repeater site and swing it about the place in various 
locations , sort of a revrse  hammer to the power poles 
 if it is coax introduced  you quickly confirm your suspicions but if its ac 
introduced  or grounding or some other oddity it usually helps to eliminate the 
rf feed 
 I have seen some odd stuff introduced via the oddest things into commercial 
sites so discount nothing and the best of luck


 Have to go service now as its 4:30 am 

Lest We Forget 
  
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RE: [Repeater-Builder] Pager Interference Revisited

2010-04-24 Thread Barry


foxhunt maybe ?

To: Repeater-Builder@yahoogroups.com
From: mwbese...@cox.net
Date: Sat, 24 Apr 2010 13:09:08 -0400
Subject: RE: [Repeater-Builder] Pager Interference Revisited


















 



  



  
  
  








That’s one I hadn’t thought of, Chuck.  Definitely
be a bugger to find!

 

Mike

WM4B

 







From:
Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On
Behalf Of Chuck Kelsey

Sent: Saturday, April 24, 2010 12:57 PM

To: Repeater-Builder@yahoogroups.com

Subject: Re: [Repeater-Builder] Pager Interference Revisited





 

  







Since it sounds like the "problem" is
there continuously (with the correct 

WX conditions) it pretty much rules out another TX that is less than 

continuously "on."



My very first thought was a TV antenna preamp. I've seen those generate a 

lot of crap before. The paging may be mixing at the preamp.



Just a thought.



Chuck

WB2EDV



- Original Message - 

From: "Mike Besemer (WM4B)" 

To: 

Sent: Saturday, April 24, 2010 12:08 PM

Subject: [Repeater-Builder] Pager Interference Revisited



> This is a continuation of the repeater interference issue we started to 

> have

> last October. Maybe with a few new pieces of data, it'll spur some new

> thoughts.

>

> Background:

>

> Last October, our repeater (146.850 MHz) started experiencing pager

> interference. The interference can be clearly heard on the input from

> various diverse locations around town. Most of the time, the interference

> seems to drift across the receiver passband (you can hear it coming and

> going as it drifts through), although this year it seems pretty much stuck

> in the repeater input (don't hear the drifting anymore).

>

> Last year, the interference was also heard on a couple of other area

> repeaters, 145.43 in Macon (15 or so air miles away) and 145.11 in Cochran

> (20 air miles away), so you can see that whatever this is covering a 

> pretty

> large portion of the spectrum. I've also been told that it's been heard 

> on

> public-service frequencies as well, although I don't know what those

> frequencies are (exactly) and have never witnessed it myself. Yesterday,

> the interference moved from the input of 146.85 to the input of 145.11 in 

> a

> very rapid manner. a period of 5 minutes or so, and then reversed itself a

> couple of hours later.

>

> We know that the paging interference is coming from 462.775 MHz. The 

> paging

> company owner is a ham and has been very helpful. The interference can 

> come

> from any one of three different sites, one locally, one in Macon and one 

> in

> Roberta (about 25 air miles away), all on the same frequency. He has set 

> up

> a phone number that I can call and leave a voice page on the local system,

> which help us with the tracking immensely. I believe he's going to do the

> same for the other two systems.

>

> I've sat very near his system locally and heard NOTHING on the repeater

> input while the interference event is occurring. I've also checked all 

> the

> likely mixing products as well as frequencies in his multiplier chain and

> heard nothing.

>

> We feel certain that it's got to be a mixing issue, (it's not likely he 

> has

> three transmitters with the same garbage on the output) but given the way 

> it

> behaves it's hard to locate the source. The large, rapid frequency

> excursions are a bit baffling. If you just consider 462.775 and 146.25, 

> it

> puts you very near the audio carrier of CATV Channel 39, but seeing it 

> move

> to the input of 145.11 and 145.43 puts the possible mix frequency 

> somewhere

> between Channel 39 and Channel 40.

>

> The issue disappeared over the winter months. If it's a hot, sunny day 

> you

> can be sure the problem will be present. A hot, cloudy day is also a 

> fairly

> good bet. Also, a cooler, sunny day will bring it out. Cool and cloudy 

> or

> cold and sunny do not allow the problem to manifest. The issue has been

> present during and after several days of rain, so that seems to eliminate

> the 'rusty bolt' syndrome. I tend to believe it's an amplifier mounted on 

> a

> pole or tower someplace that's going spurious with heat, but that is just 

> a

> theory. Beam headings tend to point to the paging transmitters rather 

> than

> the possible mixing source, which is baffling me as well.

>

> I feel like I must be missing something obvious here, but all the back and

> forth ideas we've all been working on never seem to answer all of the

> questions.

>

> What do you guys think?

>

> 73,

>

> Mike

> WM4B

>

> 





















 









  
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RE: [Repeater-Builder] Re: Pager Interference Revisited

2010-04-24 Thread Barry

So has anyone conducted tests to determine if it is a mixing problem ?
 sig gen and proximity ?

To: Repeater-Builder@yahoogroups.com
From: mwbese...@cox.net
Date: Sat, 24 Apr 2010 17:28:41 +
Subject: [Repeater-Builder] Re: Pager Interference Revisited

--- In Repeater-Builder@yahoogroups.com, Kris Kirby  wrote:

>

> On Sat, 24 Apr 2010, Mike Besemer (WM4B) wrote:

> > The issue disappeared over the winter months.  If it's a hot, sunny 

> > day you can be sure the problem will be present.  A hot, cloudy day is 

> > also a fairly good bet.  Also, a cooler, sunny day will bring it out.  

> > Cool and cloudy or cold and sunny do not allow the problem to 

> > manifest.  The issue has been present during and after several days of 

> > rain, so that seems to eliminate the 'rusty bolt' syndrome.  I tend to 

> > believe it's an amplifier mounted on a pole or tower someplace that's 

> > going spurious with heat, but that is just a theory.  Beam headings 

> > tend to point to the paging transmitters rather than the possible 

> > mixing source, which is baffling me as well.

> 

> Does the paging transmitter have a circulator, or a bandpass cavity 

> between it and the antenna? Does it stay on one frequency or hop around?

> 

> --

> Kris Kirby, KE4AHR

> Disinformation Analyst

>

I'm told that they do Kris, although I've never been inside any of the sites to 
see for myself.  Given the amount of effort that the pager operator has put in 
to this effort, I'm inclinded to take him at his word.  Even if they did not, 
I'm having a hard time believe that 3 transmitters in 3 different locations 
would produce the same issue.  (Of course, stranger things have happened.)

The transmitters all stay on 462.775.

Mike

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RE: [Repeater-Builder] Re: Motorola R100 lowband on 6?

2010-04-22 Thread Barry

Interesting if you do as I have several in the shed (au)

To: Repeater-Builder@yahoogroups.com
From: atlant...@gmx.ch
Date: Thu, 22 Apr 2010 07:19:12 +
Subject: [Repeater-Builder] Re: Motorola R100 lowband on 6?

Guys, I think I need to prove you wrong. Maybe they were not sold in the US (at 
least some of the R100s were German made afaik), and the split is 66-88MHz so 
not the same as US lowband. Look at the following page, it's German but the 
line just below the first blue bar lists the freq ranges made:

http://www.oppermann-telekom.de/compact.html

However I didn't know before that this was a Europe-only version. Some guys 
have converted Taits with the same frequency range to 6m so I thought this 
might be possible with these R100s as well.

Martin

HB9TZW

--- In Repeater-Builder@yahoogroups.com, Captainlance  wrote:

>

> Moto. never made a low band version.

> We were moto. dealers for many years, only VHF and UHF, DPL or PL...

>   - Original Message - 

>   From: Bill Smith 

>   To: Repeater-Builder@yahoogroups.com 

>   Sent: Wednesday, April 21, 2010 6:00 PM

>   Subject: Re: [Repeater-Builder] Motorola R100 lowband on 6?

> 

> 

> 

> 

>   I was a Radius dealer for quite a few years and only saw VHF and UHF R100 
> versions.

> 

>   Bill

>   KB1MGH

> 

> 

> 

> --

>   From: cruizzer77 

>   To: Repeater-Builder@yahoogroups.com

>   Sent: Wed, April 21, 2010 5:50:45 PM

>   Subject: [Repeater-Builder] Motorola R100 lowband on 6?

> 

>   Hi

> 

>   Does anyone know of a lowband R100 that has successfully been converted to 
> 6m?

> 

>   73

>   Martin

> 

> 

> 

>   

> 

> 

> 

>   Yahoo! Groups Links

>

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RE: [Repeater-Builder] Re: Duplexer parts

2010-04-16 Thread Barry


Of course you can make one , some toy car parts and some copper clad pc board
 I have made quite a few and the calculations are easy 

To: Repeater-Builder@yahoogroups.com
From: k7ney...@q.com
Date: Fri, 16 Apr 2010 22:56:49 -0600
Subject: Re: [Repeater-Builder] Re: Duplexer parts


















 



  



  
  
  



I don't think I could make one.  I've seen rotors and stators available
you can

assemble yourself but they are quite a bit larger and wouldn't fit in
the box.  I think

I've found one that I can make work and ordered it.  It's not exact,
but it'll fit in the

spot and should function OK.  Thanks to all who responded to my query.

There were a lot of good ideas and they are all appreciated.

Gary - K7ney



On 4/16/2010 9:58 PM, Barry wrote:

 

  
  If all else fails it should be simple to work out the requirements
and make one requires some manual skill and patience though 

  

  

  To: Repeater-Builder@yahoogroups.com

From: k7ney...@q.com

Date: Fri, 16 Apr 2010 06:49:25 -0600

Subject: Re: [Repeater-Builder] Re: Duplexer parts

  

   
  
  
   Thanks, I sent them an email and they said
they haven't sold that

capacitor in 25 years and all spec sheets, etc are all gone.  Was worth

a try though.  I'll keep looking

Gary

  

On 4/15/2010 4:28 PM, ac6vj wrote:
  

   
 



Gary,



Try Viking Technologies LTD. at www.cardwellcondenser.com

they have a very large selection of Johnson, series 167 capacitors and
will be able to give you the exact specifications on the broken one
that you have.



Gregory AC6VJ



--- In Repeater-Builder@yahoogroups.com,
Gary
Hoff  wrote:

>

> I already found that one, thanks anyway, the 167-205 is close but
not enough

> plates, mine has 6 rotor and 6 stator. Physical size is right
though, 

> maybe this

> cap was made by Johnson also since the numbers are close.

> Gary

> 

> On 4/15/2010 1:59 PM, DCFluX wrote:

> >

> > http://www.surplussales.com/Variables/ButterflyCapacitors/ButCap1.html


> > <http://www.surplussales.com/Variables/ButterflyCapacitors/ButCap1.html>

> >

> > (CAV) 167-205-71 sounds close to it.

> >

> > On Thu, Apr 15, 2010 at 11:59 AM, Gary Hoff  > <mailto:k7ney123%40q.com>> wrote:

> > > I have an old Phelps Dodge VHF Duplexer that has a

> > > frozen air variable. The Duplexer is a part# 499-509 and

> > > covers 144-174. The air variable in question is stamped

> > > 167-202 and is split stator about 1 3/8" square. Anybody

> > > know where I might find a suitable replacement, I haven't

> > > had any luck where I've been looking.

> > > Gary K7NEY

> > >

> > >

> > > 

> > >

> > >

> > >

> > > Yahoo! Groups Links

> > >

> > >

> > >

> > >

> >

> >

>






  
  

  
  

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RE: [Repeater-Builder] Re: Duplexer parts

2010-04-16 Thread Barry


If all else fails it should be simple to work out the requirements and make one 
requires some manual skill and patience though 

To: Repeater-Builder@yahoogroups.com
From: k7ney...@q.com
Date: Fri, 16 Apr 2010 06:49:25 -0600
Subject: Re: [Repeater-Builder] Re: Duplexer parts


















 



  



  
  
  



Thanks, I sent them an email and they said they haven't sold that

capacitor in 25 years and all spec sheets, etc are all gone.  Was worth

a try though.  I'll keep looking

Gary



On 4/15/2010 4:28 PM, ac6vj wrote:

 

  
  

  

Gary,

  

Try Viking Technologies LTD. at www.cardwellcondenser.com

they have a very large selection of Johnson, series 167 capacitors and
will be able to give you the exact specifications on the broken one
that you have.

  

Gregory AC6VJ

  

--- In Repeater-Builder@yahoogroups.com,
Gary Hoff  wrote:

>

> I already found that one, thanks anyway, the 167-205 is close but
not enough

> plates, mine has 6 rotor and 6 stator. Physical size is right
though, 

> maybe this

> cap was made by Johnson also since the numbers are close.

> Gary

> 

> On 4/15/2010 1:59 PM, DCFluX wrote:

> >

> > http://www.surplussales.com/Variables/ButterflyCapacitors/ButCap1.html
  

> > 

> >

> > (CAV) 167-205-71 sounds close to it.

> >

> > On Thu, Apr 15, 2010 at 11:59 AM, Gary Hoff  > > wrote:

> > > I have an old Phelps Dodge VHF Duplexer that has a

> > > frozen air variable. The Duplexer is a part# 499-509 and

> > > covers 144-174. The air variable in question is stamped

> > > 167-202 and is split stator about 1 3/8" square. Anybody

> > > know where I might find a suitable replacement, I haven't

> > > had any luck where I've been looking.

> > > Gary K7NEY

> > >

> > >

> > > 

> > >

> > >

> > >

> > > Yahoo! Groups Links

> > >

> > >

> > >

> > >

> >

> >

>

  

  

  









 









  
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RE: [Repeater-Builder] Re: Trojan Horse - Banner Ads

2010-04-12 Thread Barry



Avira simply stripped the script and logged onto the page no problem 
 however there does appear to be some advertising based rubbish which needs 
removal 
To: Repeater-Builder@yahoogroups.com
From: skipp...@yahoo.com
Date: Mon, 12 Apr 2010 16:18:58 +
Subject: [Repeater-Builder] Re: Trojan Horse - Banner Ads


















 



  



  
  
  Re: Trojan Horse - Banner Ads 



One of the more creative invasions I've seen (and unfortunately) 

experienced as of late are related to banner ads on web sites. 



Site operators are sometimes compensated (paid) to place 

advertisement and information tracking script/code into web 

pages. The Ads are sourced from another web site/source and 

the ad web server is actually the hijacked site. Might not 

be in this specific case but I've seen a lot more recent 

remote web site compromises. 



Bad people embed code into the hijacked Ad web server and 

your computer (thinking it sees only an image) saves the entire 

code/script into your browsers cache, which can and often does 

get executed during a file cache recall. 



One of the most interesting sidebars to this latest round of 

trouble is the advertisements where I received the last two 

banner ad alert warnings... the displayed advertisement was 

for Kaspersky Anti Virus. 



So the bad people not only have malicious intent, they might  

have a sense of humor unless you speculate an Anti-virus 

company might be trying to self generate a little business? 



Nahhh 



cheers, 

s.  



> "Doug Bade"  wrote:

>

> Avast went RED here too.. I have never seen it do that. Blocked a Trojan on

> connect.. dropped the site. not from google search.. direct from the

> hyperlink Jim posted.I would say it is real..

> 

>  

> 

> Doug

> 

>  

> 

>  

> 

>  

> 

> From: Repeater-Builder@yahoogroups.com

> [mailto:repeater-buil...@yahoogroups.com] On Behalf Of James Cicirello

> Sent: Monday, April 12, 2010 11:52 AM

> To: Repeater-Builder@yahoogroups.com

> Subject: [Repeater-Builder] Trojan Horse

> 

>  

> 

>   

> 

> Kevin and moderators.

> I have been reading about problems getting onto repeater-builder.com. This

> morning my Avast flagged the site with the following.

> Malware, JS:llredir.AO tr   TROGAN HORSE VPS Verision 100412-0,  4/12/2010.

> You probably already have the info. but wanted to make sure.

> KA2AJH  

> 

> -- 

> Jim Cicirello

> 181 Stevens Street

> Wellsville, N.Y. 14895

> (585)593-4655

>







 









  
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RE: [Repeater-Builder] fradulant emails

2010-03-08 Thread Barry


Simple answer run a virtual machine over nix
 Oh and thanks 

To: zr...@twcny.rr.com; zr...@twcny.rr.com; n5...@sbcglobal.net; 
n5...@sbcglobal.net; ad...@tipoftexasfishinghunting.com; 
ad...@tipoftexasfishinghunting.com; n5sli.j...@sbcglobal.net; 
n5sli.j...@sbcglobal.net; jaypatters...@hotmail.com; jaypatters...@hotmail.com; 
josand...@sbcglobal.net; josand...@sbcglobal.net; helene...@sbcglobal.net; 
helene...@sbcglobal.net; rayjr_txp...@sbcglobal.net; 
rayjr_txp...@sbcglobal.net; Repeater-Builder@yahoogroups.com; 
Repeater-Builder@yahoogroups.com; notify-dg-rc...@yahoogroups.com; 
notify-dg-rc...@yahoogroups.com
From: n5...@sbcglobal.net
Date: Mon, 8 Mar 2010 21:31:59 -0800
Subject: [Repeater-Builder] fradulant emails


















 



  



  
  
  To all of my friends and family, you may have recently received an email 
or emails selling Viagra or somthing else and the email said it was from me. 
These emails were not from me. I believe that one of my computers may have been 
hit by a worm or a trojan that scanned my address book. Please ignore these 
emails. I am attempting to clean my computers to stop any further unauthorized 
emails. Unfortunately I don't know as of yet how these fake emails occured or 
if someone has a copy of my contact list. 



Patrick Patterson





 









  
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RE: [Repeater-Builder] Fw: FCC R&O Involving the Amateur 70cm Band

2010-03-03 Thread Barry

If it crosses international boundries I expect it not to happen 

To: Repeater-Builder@yahoogroups.com
From: gbis-reply-...@gbis.com
Date: Wed, 3 Mar 2010 12:11:05 -0800
Subject: RE: [Repeater-Builder] Fw: FCC R&O Involving the Amateur 70cm Band

I feel a little pessimistic about this, in that I expect it to 
happen more frequently as time passes. I hope I'm wrong, but I can't help 
feeling that we are going to gradually lose our spectrum as companies with deep 
pockets buy our frequencies out from under us.

Richardwww.n7tgb.net 

Government's first duty is to protect the people, not run their 
lives. -- Ronald Reagan 

From: Repeater-Builder@yahoogroups.com 
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of George 
Henry
Sent: Wednesday, March 03, 2010 11:15 AM
To: 
repeater-builder@yahoogroups.com
Subject: [Repeater-Builder] Fw: FCC 
R&O Involving the Amateur 70cm Band

Re:  the waiver request by ReconRobotics for 420 - 450 MHz 
operation.

Hams get the shaft again...

George, KA3HSW / 
WQGJ413

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RE: [Repeater-Builder] Re: LOOONG audio runs

2010-02-28 Thread Barry


Underground gel filled , several types one of them being as you describe foil 
lined and it is cheap and extremly resistant to the egress of time and rf 

To: Repeater-Builder@yahoogroups.com
From: demo...@rollanet.org
Date: Sun, 28 Feb 2010 07:47:23 -0600
Subject: RE: [Repeater-Builder] Re: LOOONG audio runs


















 



  



  
  
  My favorite is direct burial + shielded cat cable.



I've got some here that I've been using for controller to device hookups.

As well as the run from the house to the shed.



Shielded with 100% foil and a joke of a braid.

It is "flooded" with "goo" to keep the moisture out as well.



Nice stuff for the $$



Kb0wlf



> -Original Message-

> From: Repeater-Builder@yahoogroups.com [mailto:Repeater-

> buil...@yahoogroups.com] On Behalf Of John J. Riddell

> Sent: Saturday, February 27, 2010 9:49 PM

> To: Repeater-Builder@yahoogroups.com

> Subject: Re: [Repeater-Builder] Re: LOOONG audio runs

> 

> Skipp,   yes you can get shielded Cat 5. I've used it a few times when

> running near

> AC fixtures etc.

> 

> 73 John VE3AMZ

> 

> 

> 

> - Original Message -

> From: "skipp025" 

> To: 

> Sent: Saturday, February 27, 2010 10:43 PM

> Subject: [Repeater-Builder] Re: LOOONG audio runs

> 

> 

> >> Joe  wrote:

> >> I wonder if CAT 6 would be better than CAT5 due to the

> >> difference in twist?

> >> Joe

> >

> > A number of different items in the specifications would be

> > worth examining... like how much C per foot and I don't

> > believe "CAT" network cables are shielded.

> >

> > s.

> >

> >> > Oz, in DFW wrote:

> >> > Make sure you use twisted pair.  Station wire like that use to

> wire

> >> > houses is often not twisted. Ethernet cable is good and has a high

> >> > twist pitch - better for this application.

> >> >

> >

> >

> >

> >

> >

> > 

> >

> >

> >

> > Yahoo! Groups Links

> >

> >

> >

> 

> 

> 

> 

> 

> 

> 

> Yahoo! Groups Links

> 

> 

> 

> No virus found in this incoming message.

> Checked by AVG - www.avg.com

> Version: 8.5.435 / Virus Database: 271.1.1/2705 - Release Date:

> 02/26/10 19:39:00







 









  
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RE: [Repeater-Builder] re: Ground Plane 5% Radiator Length Rule

2010-02-21 Thread Barry


The 5% rule works when tested by making and cutting , I did it years ago and 
anything less than 5% causes a failure to tune and match ( but out to 10 % or 
so still works )

To: Repeater-Builder@yahoogroups.com
From: skipp...@yahoo.com
Date: Sun, 21 Feb 2010 23:57:32 +
Subject: [Repeater-Builder] re: Ground Plane 5% Radiator Length Rule


















 



  



  
  
  > "Jeff DePolo"  wrote:

> At the risk of offending someone somewhere, the fact that 

> the ARRL cites the "5% rule" without backing it up with the 

> analysis behind the rule doesn't really suprise me...

> 

> Think about it this way.  If you made a dipole, would you cut 

> one side 5% longer than the other?

> 

> Why not make the vertical radiator 5% longer, and leave the 

> radials exactly a quarter-wave, thereby saving on materials?

> 

> You know I'm not taking a dig at you Chuck - I'm just waiting 

> (hoping) that someone comes up with some real evidence to back 

> up the 5% rule.

> --- Jeff

>

> > Various ARRL publications cite the 5% longer "rule." Right or 

> > wrong, who 

> > knows?

> > 

> > Chuck

> > WB2EDV

> 







 









  
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RE: [Repeater-Builder] Re: 11m Repeater

2010-02-13 Thread Barry


Agreed , pretty much insults a lot of people with such a derogatory 
generalisation
 might be time to drop the subject having established it could be done but wont 
 B

To: Repeater-Builder@yahoogroups.com
From: ah...@ah6le.net
Date: Sat, 13 Feb 2010 09:29:00 -0800
Subject: Re: [Repeater-Builder] Re: 11m Repeater


















 



  



  
  
  At 09:23 AM 2/13/2010, i recycle computers wrote:



I would not to see one that was built by some toothless piece of 

trailer trash so he can

splatter his alcohol driven filth up and down the band with some unfiltered

over driven linear.

RE: [Repeater-Builder] Just a Crazy Thought

2010-02-12 Thread Barry

The legality aint the point is it ?
 it's very doable but again why bother with our beginners permits you can find 
them on Kornflakes packets 

To: Repeater-Builder@yahoogroups.com
From: mryan...@tampabay.rr.com
Date: Fri, 12 Feb 2010 02:16:05 -0500
Subject: RE: [Repeater-Builder] Just a Crazy Thought

In any event, in the US a 10 meter repeater to be used on 11
meters would not be legal.  It would not have been type accepted for that use, 
the
last I checked FM mode was not ‘viable’ on 11 meters up here, and any machine 
would
undoubtedly have more than the legal limit of 4 watts output as well.  Of
course where there’s a will there’s a way.  I would not presume to know the
rules ‘down under’ but I hope the idea does not catch on up here.  Once the 10
mtr band opens up regularly ( if and when ) it will be a zoo of open access FM
repeaters with many of them transmitting at the same time making the band
impossible for anyone other than on simplex freqs.  It’s tradition….   Have fun
down there.  - Mike

From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of Barry

Sent: Friday, February 12, 2010 1:51 AM

To: repeater-builder@yahoogroups.com

Subject: RE: [Repeater-Builder] Just a Crazy Thought

I was refering to the fact a 10 metre repeater
will easily operate on 11 metres 

 I suspect you misread the post 

 and yes I have an open vk4 

To: Repeater-Builder@yahoogroups.com

From: mryan...@tampabay.rr.com

Date: Fri, 12 Feb 2010 01:14:11 -0500

Subject: RE: [Repeater-Builder] Just a Crazy Thought

CAN you say
LICENSE?? - M

From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com]
On Behalf Of Barry

Sent: Friday, February 12, 2010 12:06 AM

To: repeater-builder@yahoogroups.com

Subject: RE: [Repeater-Builder] Just a Crazy Thought

Of course it is possible 

 10 metres and  11 are very close together but why would anyone
bother ?

To: Repeater-Builder@yahoogroups.com

From: he...@swbell.net

Date: Thu, 11 Feb 2010 20:57:54 -0800

Subject: Re: [Repeater-Builder] Just a Crazy Thought

  Here is a link that has a video on youtube i have heard
  these before.  So it is possible to implement.

  SD

  --- On Thu, 2/11/10, i recycle computers 
  wrote:

  From: i recycle computers 

  Subject: [Repeater-Builder] Just a Crazy Thought

  To: Repeater-Builder@yahoogroups.com

  Date: Thursday, February 11, 2010, 8:29 PM

  I have heard numorous urban legends of 27 MHz CB
  repeaters being built.

  has anyone ever come across such a thing. if not does anyone think it is 

  even possible from a technical standpoint?

  the limitations are AM mode, and using any of the 40 CB channels with 4 

  watts PEP AM or 12 Watts PEP SSB ie: using completely un modified type 

  certified CB gear.

  Legally a repeater is illegal on CB, but i just want to do an excersize in 

  thought as to what problems someone may run into with such a project, etc.

  i have seen this questioned asked numorous times through the years and even 

  heard rumors of it actually being done.

  no one though has actually went deep into the technical aspects of such a 

  project or could point me out to the people who are operating or operated 

  such a setup.

  Thanks,

  Rev. Robert P. Chrysafis

  I Recycle Computers

  "Saving UnWanted PC's From The Landfill One Computer At A Time :)"

  Listen To My Free Live Police Scanner Feed for Tuscaloosa / Northport

  http://www.radioref
  erence.com/ apps/audio/ ?feedId=3836 

Find your next place with Ninemsn property Looking for a place to
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RE: [Repeater-Builder] Just a Crazy Thought

2010-02-11 Thread Barry


I was refering to the fact a 10 metre repeater will easily operate on 11 metres 
 I suspect you misread the post 
 and yes I have an open vk4 

To: Repeater-Builder@yahoogroups.com
From: mryan...@tampabay.rr.com
Date: Fri, 12 Feb 2010 01:14:11 -0500
Subject: RE: [Repeater-Builder] Just a Crazy Thought


















 



  



  
  
  








CAN you say LICENSE?? - M

 





From:
Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On
Behalf Of Barry

Sent: Friday, February 12, 2010 12:06 AM

To: repeater-builder@yahoogroups.com

Subject: RE: [Repeater-Builder] Just a Crazy Thought





 

  







Of course it is possible 

 10 metres and  11 are very close together but why would anyone
bother ?








To: Repeater-Builder@yahoogroups.com

From: he...@swbell.net

Date: Thu, 11 Feb 2010 20:57:54 -0800

Subject: Re: [Repeater-Builder] Just a Crazy Thought



  








 
  
  
  Here is a link
  that has a video on youtube i have heard these before.  So it is
  possible to implement.
  
  
  SD

  

  --- On Thu, 2/11/10, i recycle computers 
  wrote:
  
  
  

  From: i recycle computers 

  Subject: [Repeater-Builder] Just a Crazy Thought

  To: Repeater-Builder@yahoogroups.com

  Date: Thursday, February 11, 2010, 8:29 PM
  

  
  
  I have heard numorous urban legends of 27 MHz CB repeaters
  being built.

  

  has anyone ever come across such a thing. if not does anyone think it is 

  even possible from a technical standpoint?

  

  the limitations are AM mode, and using any of the 40 CB channels with 4 

  watts PEP AM or 12 Watts PEP SSB ie: using completely un modified type 

  certified CB gear.

  

  Legally a repeater is illegal on CB, but i just want to do an excersize in 

  thought as to what problems someone may run into with such a project, etc.

  

  i have seen this questioned asked numorous times through the years and even 

  heard rumors of it actually being done.

  

  no one though has actually went deep into the technical aspects of such a 

  project or could point me out to the people who are operating or operated 

  such a setup.

  

  Thanks,

  

  Rev. Robert P. Chrysafis

  

  I Recycle Computers

  

  "Saving UnWanted PC's From The Landfill One Computer At A Time :)"

  

  Listen To My Free Live Police Scanner Feed for Tuscaloosa / Northport

  http://www.radioref
  erence.com/ apps/audio/ ?feedId=3836 
  
  
  
  
  
 


 



 







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for a place to rent, share or buy? 

















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database 4859 (20100211) __



The message was checked by ESET NOD32 Antivirus.



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RE: [Repeater-Builder] Just a Crazy Thought

2010-02-11 Thread Barry

Of course it is possible 
 10 metres and  11 are very close together but why would anyone bother ?

To: Repeater-Builder@yahoogroups.com
From: he...@swbell.net
Date: Thu, 11 Feb 2010 20:57:54 -0800
Subject: Re: [Repeater-Builder] Just a Crazy Thought

  Here is a link that has a video on youtube i have heard these before.  So 
it is possible to implement.
SD

--- On Thu, 2/11/10, i recycle computers  wrote:

From: i recycle computers 
Subject: [Repeater-Builder] Just a Crazy Thought
To: Repeater-Builder@yahoogroups.com
Date: Thursday, February 11, 2010, 8:29 PM

I have heard numorous urban legends of 27 MHz CB repeaters being built.

has anyone ever come across such a thing. if not does anyone think it is 
even possible from a technical standpoint?

the limitations are AM mode, and using any of the 40 CB channels with 4 
watts PEP AM or 12 Watts PEP SSB ie: using completely un modified type 
certified CB gear.

Legally a repeater is illegal on CB, but i just want to do an excersize in 
thought as to what problems someone may run into with such a project, etc.

i have seen this questioned asked numorous times through the years and even 
heard rumors of it actually being done.

no one though has actually went deep into the technical aspects of such a 
project or could point me out to the people who are operating or operated 
such a setup.

Thanks,

Rev. Robert P. Chrysafis

I Recycle Computers

"Saving UnWanted PC's From The Landfill
 One Computer At A Time :)"

Listen To My Free Live Police Scanner Feed for Tuscaloosa / Northport
http://www.radioref erence.com/ apps/audio/ ?feedId=3836 

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RE: [Repeater-Builder] Test rig for cable length at velocity

2010-02-05 Thread Barry

Ever heard of a grid dip oscillator ?
 google gdo usgage 

To: Repeater-Builder@yahoogroups.com
From: k...@catonic.us
Date: Fri, 5 Feb 2010 20:20:56 -0600
Subject: [Repeater-Builder] Test rig for cable length at velocity

Hi all,

I've been trying to figure out how, using relatively simple equipment, 

to determine proper cable length for one-quarter wavelength cables of a 

given type of cable (i.e.: RG-400). One of my thoughts was to measure 

the open circuit resistance using an older MFJ-259, however this results 

in strangely low impedances that I believe hamper proper readings. 

Basically, I'm trying to figure out if I need to cut the cable shorter 

or if it's too short, and right now nothing I have gives me any clue as 

to exactly where it is, short of transmitting a few watts and watching 

the SWR as I change frequency. 

--

Kris Kirby, KE4AHR

Disinformation Analyst

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RE: [Repeater-Builder] Re: Side mount to wooden utility pole?

2010-01-26 Thread Barry


A couple of bucks worth of 1" angle and make a sort of L shape , two coach 
srews into the pole and one through the leg of the L as it provides the brace 
into the pole to stabilse it all then mount the arial into the end at what ever 
distance you think reasonable ( more is better) unless soaked the pole will be 
near rf invizable
 Good luck 

To: Repeater-Builder@yahoogroups.com
From: tallins...@yahoo.com
Date: Wed, 27 Jan 2010 01:52:00 +
Subject: [Repeater-Builder] Re: Side mount to wooden utility pole?


















 



  



  
  
  



"Side Note: I have an AutoCAD drawing of a home brew version if there is a 
person handy with a welder"



Unfortunately I'm not (too much goofing off in auto shop), but I sure intend to 
find someone.  Geeessshhh!  $5.00 worth of material at a scrap metal shop and 
$25.00 plus a case of beer (the good stuff) for the welder and you're good to 
go.  Whatever Laird execs. are smoking, I'll have some!

Tom



--- In Repeater-Builder@yahoogroups.com, "rahwayflynn"  wrote:

>

> You might want to take a look at Laird Technologies part number SMK 

> 

> http://www.tessco.com/products/displayProductInfo.do?sku=15293&eventPage=1

> 

> I have used them with punch lock clamps http://www.punch-lok.com/ to pole 
> mount antennnas.

> 

> Side Note:   I have an AutoCAD drawing of a home brew version if there is a 
> person handy with a welder

> 

> Martin

> 

> --- In Repeater-Builder@yahoogroups.com, AJ  wrote:

> >

> > Looking at side mounting a fiberglass repeater antenna on a wooden utility

> > pole. Previously had railroad microwave dishes at the very top (about 55'

> > AGL) which has since been decommissioned. Our permit allows up to 35' AGL to

> > the base of the antenna. We've been going back and forth with one of the

> > local hams that happens to be an engineer with regard to building a side

> > mount from Unistrut channel with roughly a 36" offset from the face of the

> > pole.

> > 

> > My question would be what exactly is the minimum spacing for side mounting

> > off of a wooden utility pole? Coverage does not necessarily need to be

> > omnidirectional as there is a fairly large ridge to the east of the site and

> > the targeted coverage area is to the north and west.

> > 

> > The photo that got me thinking about this was from the 147.03 repeater move

> > site documentation -

> > 

> > http://www.qsl.net/ac7el/RepeaterMove/Antennas.jpg

> > 

> > It appears this antenna is maybe 4" offset from the side of the pole.

> > 

> > 73,

> > AJ, K6LOR

> >

>







 









  
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RE: [Repeater-Builder] Re: Caution to Group Members Trojan from Yahoo Banner Advertisments

2010-01-17 Thread Barry

Assuming it was not a false the simple running of something like avira and 
another scanner regularily and blocking outgoing requests on all but a few 
ports will be a big start to making things safer 
 Personally I just flush things by a reboot of the virtual machine (solaris 
box) and running in a modified client account in winblows 

To: Repeater-Builder@yahoogroups.com
From: skipp...@yahoo.com
Date: Mon, 18 Jan 2010 01:27:46 +
Subject: [Repeater-Builder] Re: Caution to Group Members Trojan from Yahoo 
Banner Advertisments

Re: Caution to Group Members 

Trojan from Yahoo Banner Advertisements

I actually believe I received the trojan from a banner ad 

while setting up new book-marks for one of the radio/repeater 

Groups I frequent.  A newly installed Kaspersky protection 

package on the other computer caught the %$(^*%&  script. 

I have nothing against the other protection programs... but 

I had McAfee, AVG, Norton, Ad Aware and a few others installed 

at various times and machines trying to help and no cigar 

(didn't work for me). I read a a lot of internet forum posts 

regarding this worm, learned about good results people were 

having with Kaspersky, installed the free demo package on a 

replacement windoz machine and went looking at old haunts when 

it tripped an alarm on a/the yahoo banner ad. 

Not fun, not good.  You'll need to learn how to clean/remove 

the trojan with windoz in the safe mode as you'll find out 

it prevents many things from functioning.  Worse case is the 

worm has a built in smtp (email) engine and will send your 

passwords and other information to some very bad people. 

Teaches me for getting away from Linux...  back to a dual 

boot machine. 

s. 

> Mike/W5JR  wrote:

>

> I've spent the last 24 hours on this very issue. And I was on the yahoo site 
> yesterday. :(

> 

> 

> Mike

>

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RE: [Repeater-Builder] dispatch centers run through the internet

2010-01-04 Thread Barry

It's done very day ,a good  vpn and intranet  and very difficult to interfere, 
with short of a direct physical connection there is little better  so I don't 
understand all the fuss . Some one posted a good remote radio controller so the 
rest is down to the skills of the system admin 
 B
( and yes I have had training in the area)

To: Repeater-Builder@yahoogroups.com
From: rr...@librtynet.com
Date: Mon, 4 Jan 2010 16:24:08 -0700
Subject: RE: [Repeater-Builder] dispatch centers run through the internet

Given the inherit instability of the internet (it was NEVER
designed to do what we are doing with it), I would consider any communications
system which is reliant upon the internet to be flawed by design and completely
untrustworthy. 

My two cents worth. 

From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of WA3GIN

Sent: Monday, January 04, 2010 6:23 PM

To: Repeater-Builder@yahoogroups.com

Subject: Re: [Repeater-Builder] dispatch centers run through the
internet

Yes,
and they are called Intranets.  

-
Original Message - 

From: Kevin Custer 

To: Repeater-Builder@yahoogroups.com 

Sent: Monday, January 04,
2010 5:55 PM

Subject: Re:
[Repeater-Builder] dispatch centers run through the internet

The Internet is a shared medium. A private
WAN/LAN commonly utilizes 

fiber optic cable or licensed wireless networking to accomplish 

connectivity. While private systems can deliver Internet, it is not 

(necessarily) THE Internet. Privately owned facilities like what many 

CATV, Phone, Internet, and combinations of them can have dark fiber or 

reserved virtual space that cannot get clogged with Internet overhead. 

The bottlenecking you might experience with facilities you cannot (do 

not) control can (will) be the downfall of such a system - unless a SLA 

can be gotten. A SLA is a service level agreement in which a company 

guarantees connectivity - to some degree. The more reliability the 

agreement extends - the higher the cost.

Kevin Custer

> Jed Barton wrote:

> tell me about this system a little bit. 

> 

>

> You'll note that the manufacturer is not suggesting that you utilize the

> Internet for this device. It is marketed for use on a private LAN/WAN.

> 

> Chuck

> WB2EDV

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RE: [Repeater-Builder] Re: 6 Meter RF Amplifier (PA)

2009-12-28 Thread Barry

Kinda nice old school but the modern box would be only slightly more $ and tiny 
by comparison 
 might be good in the winter though 

To: Repeater-Builder@yahoogroups.com
From: pl...@xmission.com
Date: Mon, 28 Dec 2009 11:31:23 -0700
Subject: Re: [Repeater-Builder] Re: 6 Meter RF Amplifier (PA)

Oh, I dunno...if you're also paying the heat 
bill, running that 4-400 could be a wash!

73,
Paul, AE4KR

  - Original Message - 
  From: 
  skipp025 

  To: Repeater-Builder@yahoogroups.com 

  Sent: Monday, December 28, 2009 9:03 
  AM
  Subject: [Repeater-Builder] Re: 6 Meter 
  RF Amplifier (PA)

  Re: 6 Meter RF Amplifier (PA) 

I'd love to have this PA just to 
  tinker with... but I'd 
hate to be the one paying the site power bill. 

"6 Meter Quintron Transmitter, PA Deck" 

Ebay Item Number: 
  160389525215 

... and hopefully one would not have to pay for the 

extra real estate (cabinet space) this baby would fill. 

cheers, 

s. 

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RE: [Repeater-Builder] Dropping the Autopatch--Keep 911

2009-12-26 Thread Barry

There are simple boxen which when fitted with a 'phone sim provide a mobile 
phone connection and a cat5e socket ready for a network connection mainly used 
for remote cctv access but will connect via the 5e to other devices , I would 
assume they are available in your part of the world id we have them and cost 
only a couple of hundred max retail ( I remember seeing one with an rj12 phone 
connection somewhere)

To: Repeater-Builder@yahoogroups.com
From: fwb...@mminternet.com
Date: Sat, 26 Dec 2009 07:08:08 -0800
Subject: Re: [Repeater-Builder] Dropping the Autopatch--Keep 911

  There are devices that provide an RJ-11 jack to interface POTS phones 

with cell phones.  This would permit you to just plug your autopatch 

into the device.  A web search will find these.  They range from high 

end multi-line devices to those in the $100 to $200 price range.

This is a link that shows some of the lower end items.  I am sure that 

there are more out there and there may be better ones than those shown 

here.  This is just one of the pages I found while searching for 

"cellular backup for land line".

http://www.thehightechstore.com/xlink_bttn.htm

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RE: [Repeater-Builder] Cable prep and crimp on connectors

2009-12-02 Thread Barry


http://www.dse.com.au/cgi-bin/dse.storefront/4b1707bf00b2dd42273fc0a87e01064e/Product/View/T3640

http://www.ripley-tools.com/tools.php?tool=LDT&category=Drop%20Cable%20Tools

To: Repeater-Builder@yahoogroups.com
From: j...@broadsci.com
Date: Wed, 2 Dec 2009 18:15:19 -0500
Subject: RE: [Repeater-Builder] Cable prep and crimp on connectors


















 



  



  
  
  

For small-diameter cables, I have Paladin "CST Vario" strippers.  These are

completely adjustable - you insert/remove the blade cartridges to get the

strip dimensions you want for 3-level stripping, and you adjust the depths

of the blades for each strip level for whatever cable you're using (i.e. the

depths are varied depending on the diameter of the cable jacket, dielectric,

and center conductor).  These won't do large cables like RG8, 214, 393, etc.



It's a bit tedious to set up the blades initially, but once you have them

set, it's the best tool I've found.  I have a few of them set up for

different cables (RG58, RG400, RG59, and another that I adjust as-needed for

other oddball cables).



For larger cables, I just do them with a knife.  I'm pretty good with the

knife (practice makes perfect), and I can do as good of a job with a knife

as the Vario does, but the Vario is faster.



--- Jeff WN3A 



> -Original Message-

> From: Repeater-Builder@yahoogroups.com 

> [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Dennis Wade

> Sent: Wednesday, December 02, 2009 5:50 PM

> To: Repeater-Builder@yahoogroups.com

> Subject: [Repeater-Builder] Cable prep and crimp on connectors

> 

>   

> 

> Good Afternoon,

> 

> I've been following the previous threads and doing a lot of

> research on the issue of crimp on coax connectors vs. solder. Based

> on that research and several very useful threads on this list I

> purchased a Paladin Crimp All tool with a couple of dies for RG-8/213

> and type and RG-58/59 type cables. I bought some connectors from the

> same industrial jobber here locally to "practice" my installation

> technique. The results haven't been too bad...they look fine, are

> solidly on the cable, ohm out fine, etc (solder center pins). I used

> a sharp utility knife for prepping the cable. (Yes, I did verify that

> the hex dimensions of the dies match the connector manufacturer's

> specifications.)

> 

> I really didn't like the knife approach..it worked, but was

> pretty tedious for me. So, the question is...

> 

> For those who use something other than a utility knife, what

> is the coax prep tool of choice? Do you do a 2-level tool or 3?

> 

> Is there such a think as one tool for both RG 8 and RG

> 58/59/RG-6 type cables? I'd rather not have one tool per cable size

> if I can help it.

> 

> Thanks for your input!

> 

> Dennis

> 

> -- 

> I've been wondering lately..."Where am I going and why AM I in this

> hand basket??"

> 

> -

> Dennis L. Wade

> KG6ZI

> Carmichael, CA

> 

> 

> 

> 

> No virus found in this incoming message.

> Checked by AVG - www.avg.com

> Version: 8.5.426 / Virus Database: 270.14.82/2525 - Release 

> Date: 12/02/09 07:33:00

> 

> 

> 







 









  
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RE: [Repeater-Builder] New file uploaded to Repeater-Builder

2009-11-27 Thread Barry


Is there any other way I can get this file as I seem to have forgotten my yahoo 
id so have no access 
 Tnx
 B

From: Repeater-Builder@yahoogroups.com
To: Repeater-Builder@yahoogroups.com
Date: Sat, 28 Nov 2009 02:45:58 +
Subject: [Repeater-Builder] New file uploaded to Repeater-Builder


















 



  



  
  
  

Hello,



This email message is a notification to let you know that

a file has been uploaded to the Files area of the Repeater-Builder 

group.



File: /GLB/GLB Electronics P-222.900 Preamp.pdf 

  Uploaded by : wb6fly  

  Description : Network Analyzer Plot of GLB Preselector-Preamp 



You can access this file at the URL:

http://groups.yahoo.com/group/Repeater-Builder/files/GLB/GLB%20Electronics%20P-222.900%20Preamp.pdf
 



To learn more about file sharing for your group, please visit:

http://help.yahoo.com/l/us/yahoo/groups/original/members/forms/general.htmlfiles



Regards,



wb6fly 

 







 









  
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RE: [Repeater-Builder] Best coax for marine use

2009-11-24 Thread Barry




To: Repeater-Builder@yahoogroups.com
From: ah...@ah6le.net
Date: Tue, 24 Nov 2009 09:08:50 -0800
Subject: Re: [Repeater-Builder] Best coax for marine use


















 



  



  
  
  At 08:17 AM 11/24/2009, Vernon Densler wrote:

>

>

>I have been in a big discussion with the guys on my boat list about 

>the right coax for running up the mast for VHF marine radio.

>

>

>

>Keeping in mind that we are talking about a 70' or so run going up 

>the center of an aluminum mast, in a salt water environment, and the 

>radio is limited to 25 watts.

>

>Also keep in mind that when off shore this is a life line and the 

>best possible send and receive is needed in an emergency situation.

>

>

>

>So given the criteria what is the best possible coax to use knowing 

>that thickness matters and bend radiuses may be tight?  Others on 

>the list are saying "just grab any old 8X type cable and you will be 

>fine".  I say use something with very low loss and suggested small heliax.

>

>



<---When we bought our sailboat and before I first had the mast 

stepped, I ran 2 lengths of 9913 up inside it, 1 for a dual band 

antenna and 1 for the marine VHF. Never looked back :-)



Ken

--
Now that's a decent suggestion however the most important thing is use the best 
connectors possible ( stainless if you have them ) and wrap all joints well 
with self sealing rubber tape 

 One drop of salt water in the cable and the signal wont go anywhere 


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RE: [Repeater-Builder] 50 Watt Repeater

2009-11-17 Thread Barry

I am looking for some micor manuals and stupidly lost the link 
 vhf and uhf appear to be 64rcb 310say + c53r1105d being the 1 metre x 60 cm x 
30 cm heavy   60 watts vhf and 45 watts uhf 
 I can offer more numbers and id if needed 
 thanks
 B

To: Repeater-Builder@yahoogroups.com
From: va3r...@gmail.com
Date: Tue, 17 Nov 2009 19:31:50 -0500
Subject: Re: [Repeater-Builder] 50 Watt Repeater

  I have had the Harris on all day today with the NASA feed of the space 
shuttle ..  could still hold the heat sink ( for a bit)

if you dont have the space for a big radio .. Harris is the way to go 

On Tue, Nov 17, 2009 at 6:03 PM,   wrote:

Get a USED Motorola MTR2000 repeater and don’t
look back.

Mike Mullarkey K7PFJ

6886 Sage Ave

Firestone, Co 80504

303-954-9695 Home

303-954-9693 Home Office & Fax

303-718-8052 Cellular

From:
Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On 
Behalf Of Rick Szajkowski

Sent: Tuesday, November 17, 2009
7:10 AM

To:
Repeater-Builder@yahoogroups.com

Subject: Re: [Repeater-Builder] 50
Watt Repeater

I run a Harris Radio Phone ( converted to repeater)
and it runs 60w all day and all nite long 

Join the Harris yahoo ground and send a note to Roger   he does them
um in UHF and VHF  when you order from him the radio is on you freq. and
all tuned up ready to go ...  and every thing you need is right inside the
case .. COS PTT audio in Audio out .. 

the only thing you might add is the CTCSS  ( I am working on a good spot
to put it for incode but the decode again is just right inside ..

GREAT little radio and solid  its been on the air for more then 7 years
now

Rick

On Mon, Nov 16, 2009 at 2:10 PM, Jason C  wrote:

Any suggestions on a 50
watt repeater to buy? I've been looking around and keep looking at the Icom
FR3000, I know there are others but I am having trouble finding a 50 Watt
Continous duty... The Icom FR5000 is 25W at 100% duty cycle but is considered a
50 watt repeater. 

No virus found in this incoming message.

Checked by AVG - www.avg.com

Version: 8.5.425 / Virus Database: 270.14.66/2504 - Release Date: 11/15/09 
07:50:00

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RE: [Repeater-Builder] Programming Software for Standard GX3000 radios

2009-11-15 Thread Barry

Doug + Marcus you have email 

To: Repeater-Builder@yahoogroups.com
From: arkwrights-st...@xtra.co.nz
Date: Mon, 16 Nov 2009 19:19:33 +1300
Subject: Re: [Repeater-Builder] Programming Software for Standard GX3000 radios

actualy there is a good idea, never saw that myself, i to am looking
for some "Backup" software if anyone has for Programming the Tait T800
series 

RAR or Zip'd either, please just don't PW it

Marcus

w9nwn wrote:

  Just checking to see if anyone might have a copy of the
programming software for the old Standard GX-3000 series of radios. I
can get my hands on a E-prom burner and even a old computer to run the
software on but need the software first. Otherwise I will just use the
mfor door stops.

Thanks,

Doug W9NWN

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[Repeater-Builder] Tait o/t ? cable information

2009-11-15 Thread Barry



Can anyone offer assistance with making a programming cable for the tait 700 
series please ?
 Tnx 
 B
  
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RE: [Repeater-Builder] Re: PG&E Smart Meter Program

2009-11-12 Thread Barry


Some of you panic merchants are amusing ( mostly unsubstantiated wild claims) , 
locally the wireless readings thing was tried and mostly failed due to so many 
objections on bad readings so we get regular physical readings 
 Unless there has been a major improvement I would expect the same in your part 
of the woods , one thing we have seen is a govco funded purchase of small solar 
units which made a decent hole in power company profits keeping prices down 
although currently there is a  lot of competition with at one knock a month 
from some start up suggesting they can do it cheaper 
 We all have to remember there is always an alternative ( our new place is 
wind/solar and sells power back into the grid so its certainly achievable )

To: Repeater-Builder@yahoogroups.com
From: demo...@rollanet.org
Date: Thu, 12 Nov 2009 16:04:32 -0600
Subject: RE: [Repeater-Builder] Re: PG&E Smart Meter Program


















 



  



  
  
  TriBBS was my choice for my BBS.



The Inner Sanctum



I even left it up via telnet for sometime after the internet gobbled up my

users.



=]



Chris

Kb0wlf



> -Original Message-

> From: Repeater-Builder@yahoogroups.com [mailto:Repeater-

> buil...@yahoogroups.com] On Behalf Of kc7stw

> Sent: Thursday, November 12, 2009 2:39 PM

> To: Repeater-Builder@yahoogroups.com

> Subject: [Repeater-Builder] Re: PG&E Smart Meter Program

> 

> 

> 

> --- In Repeater-Builder@yahoogroups.com, "Rev. Robert P. Chrysafis"

>  wrote:

> >

> > >

> 

> > which really won't help them. people will just start going old school

> and

> > having hard drive swapping parties similar to the old tape swapping

> parties

> > of the 80's.

> >

> > who knows. there is some much greed and people on power trips now a

> days

> > that i beleive we are destined to repeat the history of other great

> > societies.

> >

> 

> Sounds like the good old BBS might make a comeback after all...  ;)

> 

> Long live TriBBS..

> 

> 

> 

> 

> 

> 

> 

> Yahoo! Groups Links

> 

> 

> 

> No virus found in this incoming message.

> Checked by AVG - www.avg.com

> Version: 8.5.425 / Virus Database: 270.14.61/2498 - Release Date:

> 11/12/09 07:38:00







 









  
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RE: [Repeater-Builder] Re: Antenna spacing

2009-10-26 Thread Barry


Very difficult to guess with out some specific information so two answers
 42

 or as far apart in differing vertical and horizontal planes as practicable 

To: Repeater-Builder@yahoogroups.com
From: kb1...@arrl.net
Date: Tue, 27 Oct 2009 02:48:42 +
Subject: [Repeater-Builder] Re: Antenna spacing















 





  

The icom runs a max of about 65 watts but almost always less, more like 5 or 
10.  The antenna I hope to set up is a mobile 5/8 waxe over a ground-plane. My 
purpose is for skywarn activations, as an NCO it would help to be active one 
two frequencies nearly simultainously.

Any further help is appriceated.



--- In Repeater-Builder@yahoogroups.com, "Eric Lemmon"  wrote:

>

> Jeremy,

> 

> You did not provide enough information to give you a good answer.  How far

> apart are the frequencies involved?  How powerful is the other radio?

> 

> What I can tell you right away is that vertical separation is far, far, more

> effective than horizontal separation.  If both radios are going to be

> frequency-agile, that is, there may not always be a fixed separation in

> frequency, then the simple answer is:  Separate the two antennas vertically

> as much as you can, one over the other, and hope for the best.  Use

> double-shielded cable for feedlines on both antennas.

> 

> Damage to the receivers is not likely, since most good radios have diode

> protection on the front ends.  After all, look at almost any "mobile command

> post" vehicle, and you'll probably see a dozen antennas on the roof- usually

> no more than a foot or so apart.  Although major desense is almost

> guaranteed when any one of the radios transmits, judicious use of

> preselectors (such as those made by DCI) can minimize it.

> 

> -Original Message- 

> From: Repeater-Builder@yahoogroups.com

> [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Jeremy (KB1REQ)

> Sent: Monday, October 26, 2009 6:24 PM

> To: Repeater-Builder@yahoogroups.com

> Subject: [Repeater-Builder] Antenna spacing

> 

>   

> 

> This post does not necessarily relate to repeaters, but some of the same

> calculations can be applied. I am interested in installing another two meter

> radio in my shack and was wondering what kind of spacing is needed as to not

> over load either of the radio's receivers. I currently have an icom set up

> on a j-pole, and I have a 45 watt GM300 that I want to add.  What would be

> the best placement of antennas to reduce desense. or otherwise damage the

> receivers?

>





 

  













  
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RE: [Repeater-Builder] Re: feeding two 120 degree sector antennas

2009-10-09 Thread Barry


How about some indication of what you hope to achieve 
 I use a skelol slot I made on .70cm with great success and have used a 
refletor with good gain on a vertical in the past for a null
 B


fyi http://www.patentstorm.us/patents/5477224/claims.html
To: Repeater-Builder@yahoogroups.com
From: kc7...@hotmail.com
Date: Fri, 9 Oct 2009 23:25:31 +
Subject: [Repeater-Builder] Re: feeding two 120 degree sector antennas















 





  LOL thanks for your honesty. I am sure someone here can help 
with my questions. 



Oh BTW I have have not slept at a Holiday Inn Express either :) those are funny 
and creative commercials too.



73



Matthew 

KC7EQO



--- In Repeater-Builder@yahoogroups.com, "Chuck Kelsey"  wrote:

>

> Actually Jeff Depolo is much better versed to explain this than I am. 

> Hopefully he can enter into this thread. I don't have an engineering 

> background, and don't play an engineer on TV. I haven't even stayed at a 

> Holiday Inn Express  :-)

> 

> Chuck

> WB2EDV

> 

> 

> 

> - Original Message - 

> From: "Matt" 

> To: 

> Sent: Friday, October 09, 2009 6:55 PM

> Subject: [Repeater-Builder] Re: feeding two 120 degree sector antennas

> 

> 

> > Thanks for replying Chuck. The antennas are not perfectly back to back. 

> > More like 60 degrees from each other.

> >

> > I would have thought I'd  have a null in one direction. Is there a better 

> > way to do this?

> >

> > I want close to the 11 dB gain my omni has, but with more down tilt.

> >

> > Thanks,

> >

> > 73

> >

> > Matthew

> > KC7EQO

> >

> > --- In Repeater-Builder@yahoogroups.com, "Chuck Kelsey"  

> > wrote:

> >>

> >> Are the two antennas pointed the same direction? If they are back to 

> >> back,

> >> I'd guess that your results are what I'd expect.

> >>

> >> Chuck

> >> WB2EDV

> >>

> >>

> >>

> >> - Original Message - 

> >> From: "Matt" 

> >> To: 

> >> Sent: Friday, October 09, 2009 2:29 PM

> >> Subject: [Repeater-Builder] feeding two 120 degree sector antennas

> >>

> >>

> >> >I am experimenting with some 3 Ghz antennas. I have a 2 way power 

> >> >divider

> >> >feeding two 120 degree sector antennas rated at 15 dBi each. I have a 11

> >> >dBi omni that I am comparing it too. It seems the omni is getting better

> >> >performance then the array is. I am seeing more than a 4 dB difference,

> >> >loss. My goal is to get more down tilt in my antenna pattern, as the

> >> >sectors offer a mechanical down tilt.

> >> >

> >> > Am I doing something wrong?

> >> >

> >> > I am feeding the antennas with LMR400 and feed is short as possible. 

> >> > Each

> >> > feed from the divider is 15 inches long to the antenna. The insertion 

> >> > loss

> >> > in the divider is <0.4 dBi according to the spec sheet.

> >> >

> >> > Thanks in advance,

> >> >

> >> > Matthew

> >> >

> >> >

> >> >

> >> > 

> >> >

> >> >

> >> >

> >> > Yahoo! Groups Links

> >> >

> >> >

> >> >

> >>

> >

> >

> >

> >

> > 

> >

> >

> >

> > Yahoo! Groups Links

> >

> >

> >

> >

>





 

  













  
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RE: [Repeater-Builder] Re: feeding two 120 degree sector antennas

2009-10-09 Thread Barry


Have you considered a passive reflector ? it might offer the direction and tilt 
your looking for ( plus a couple of db)

To: Repeater-Builder@yahoogroups.com
From: kc7...@hotmail.com
Date: Fri, 9 Oct 2009 22:55:18 +
Subject: [Repeater-Builder] Re: feeding two 120 degree sector antennas















 





  Thanks for replying Chuck. The antennas are not perfectly 
back to back. More like 60 degrees from each other. 



I would have thought I'd  have a null in one direction. Is there a better way 
to do this? 



I want close to the 11 dB gain my omni has, but with more down tilt. 



Thanks, 



73



Matthew 

KC7EQO



--- In Repeater-Builder@yahoogroups.com, "Chuck Kelsey"  wrote:

>

> Are the two antennas pointed the same direction? If they are back to back, 

> I'd guess that your results are what I'd expect.

> 

> Chuck

> WB2EDV

> 

> 

> 

> - Original Message - 

> From: "Matt" 

> To: 

> Sent: Friday, October 09, 2009 2:29 PM

> Subject: [Repeater-Builder] feeding two 120 degree sector antennas

> 

> 

> >I am experimenting with some 3 Ghz antennas. I have a 2 way power divider 

> >feeding two 120 degree sector antennas rated at 15 dBi each. I have a 11 

> >dBi omni that I am comparing it too. It seems the omni is getting better 

> >performance then the array is. I am seeing more than a 4 dB difference, 

> >loss. My goal is to get more down tilt in my antenna pattern, as the 

> >sectors offer a mechanical down tilt.

> >

> > Am I doing something wrong?

> >

> > I am feeding the antennas with LMR400 and feed is short as possible. Each 

> > feed from the divider is 15 inches long to the antenna. The insertion loss 

> > in the divider is <0.4 dBi according to the spec sheet.

> >

> > Thanks in advance,

> >

> > Matthew

> >

> >

> >

> > 

> >

> >

> >

> > Yahoo! Groups Links

> >

> >

> >

>





 

  













  
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RE: [Repeater-Builder] Re: Cleaning coax corrosion

2009-10-09 Thread Barry

I expect shortly the inner will become softer and tacky white , the impedance 
will lump and the cable becomes an attenuator . cut it back and add a bit if 
you must but if the braid is tarnished you will have a continence of problems 
and quickly until you replace it with new or nearly so . Once replaced wrap the 
joint with a suitable sealing material / tape which can be found anywhere a 
cabler or telecomms persons buys  stock ( and has been discussed at length) t 
do otherwise wll be frought with eventual failure , good luck with making a 
good repair .

To: Repeater-Builder@yahoogroups.com
From: wb2...@roadrunner.com
Date: Fri, 9 Oct 2009 09:24:26 -0400
Subject: Re: [Repeater-Builder] Re: Cleaning coax corrosion

  John -

I'll add to my previous response.

The fact that the braid had discolored and tarnished is an indication that 

the integrity of the coax has been compromised. Water has migrated into it 

along with other contaminants. The result is that the coax is likely to 

exhibit reduced performance due to changes in it's electrical 

characteristics. While you may still "get by," I'd suggest that you start 

planning on replacing the entire run at some point.

I have no idea how critical the installation is, so that will dictate the 

urgency of your ultimate resolution. Maybe it's not that important and you 

can sustain a total failure at any given time. But if it does deteriorate 

further and become unusable, it will likely happen at the worst possible 

moment.

At least that's my opinion.

Chuck

WB2EDV

- Original Message - 

From: "John" 

To: 

Sent: Friday, October 09, 2009 9:08 AM

Subject: Re: [Repeater-Builder] Re: Cleaning coax corrosion

> Thanks to those that responded. I was able to cut the cable back a

> little way and use steel wool to clean the braid enough to take solder

>

> Thanks,

>

> John

>

> n3dab wrote:

>

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RE: [Repeater-Builder] 6m very heavy duty J pole for repeater use.

2009-10-04 Thread Barry

It might , I use a home made copper pipe J pole here with great success for 
beyond line of sight 

To: Repeater-Builder@yahoogroups.com
From: nkn...@twowayradio.net
Date: Sun, 4 Oct 2009 20:24:53 -0500
Subject: [Repeater-Builder] 6m very heavy duty J pole for repeater use.

  Ok guys,

I need input. I just got the club mastr ii 6m repeater rebuilt and I am 
thinking of replacing the antenna. Currently it is using a huge diamond antenna 
that is about 22' feet tall! It is supposed to have 6db gain, but it has taken 
a beating up on the top of the hospital where it has been for a number of 
years. I have a db-201 I could replace it with, but I think I may have a better 
idea...

What if I used a db-420 mast and a db-222 mast and use those to construct a J 
pole This should be heavy duty enough, at dc ground and work better than 
the db-201.

Any thoughts guys?

73

Norm

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RE: [Repeater-Builder] Tower Foundations

2009-09-13 Thread Barry

I did some courses about this decades ago  and remember very little but by 
adding some side excursion I remember something about a quadripling effect .. 
don't quote me of course as your consulting engineer can better answer this but 
certainly well worth it .

To: Repeater-Builder@yahoogroups.com
From: mafl...@att.net
Date: Sun, 13 Sep 2009 15:42:46 +
Subject: [Repeater-Builder] Tower Foundations

  One of my family members is putting up a tower to support his 
business radio (farm) , the family GMRS repeater, and a fairly large microwave 
dish to obtain internet.The choice so far is a Rohn SSV compromised of the 
following sections: 10NH, 9NH, 8N, 7N, and 6N. 

Here the question:  The local PE who approved the prints suggested using 
drilled belled foundations.  This nearly doubles the cost of each foundation in 
terms of drilling and concrete.   Typically how much additional resistance to 
overturning motion do they add above straight sided holes?

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RE: [Repeater-Builder] Tools

2009-09-10 Thread Barry


I just made some out of heavy copper wire and small rods two decades ago , 
still working fine 

To: Repeater-Builder@yahoogroups.com
From: mpavl...@ptt.rs
Date: Thu, 10 Sep 2009 20:21:13 +0200
Subject: Re: [Repeater-Builder] Tools















 





  to cheap to be true ceramics...
And also, cannot be used for hexa type of small coils.
I am looking maybe for Belzer or Bernstein trimming tools

- Originalna poruka -
Pošiljalac: DCFluX 
Datum: Cetvrtak, Septembar 10, 2009 17:58
Tema: Re: [Repeater-Builder] Tools
Primalac: Repeater-Builder@yahoogroups.com

> 
> 
> 
> 
> 
> 
> 
>
> 
> 
> 
> 

> 
> 
> 
> 
> 
> 
> Doesn't RF parts have some ceramic ones?
> 
> 
On Thu, Sep 10, 2009 at 2:09 AM, mpavlica  wrote:
> 
> 
> 
> 
> 
> 
> 
> 
>
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> Hello!
> I am looking for some QUALITY RF trimming tools.
> Here I can find only plastic rubbish and want to get some nice ceramic tools 
> (whole set of them, for trimming capacitors and those hexa for coils).
> Any suggestions?
> 
> Thanks in advance!
> 
> Milan Pavlica
> YU7XW
> 
> 
> 
> 
> 
> 
> 
> 
> 
>
>
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 

 

  














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RE: [Repeater-Builder] stitching schematics together

2009-09-04 Thread Barry

Maybe he is mickysoft trained and hence a little slow ?

To: Repeater-Builder@yahoogroups.com
From: wb6...@verizon.net
Date: Fri, 4 Sep 2009 09:12:39 -0700
Subject: RE: [Repeater-Builder] stitching schematics together

  If it is so easy to use and works so well, I wonder why 
National

Geographic's editors don't know about it...

73, Eric Lemmon WB6FLY

-Original Message-

From: Repeater-Builder@yahoogroups.com

[mailto:repeater-buil...@yahoogroups.com] On Behalf Of A.Tahir DENGIZ

Sent: Friday, September 04, 2009 8:39 AM

To: Repeater-Builder@yahoogroups.com

Subject: RE: [Repeater-Builder] stitching schematics together

Dear Friends,

I suggest you to use the software (Freeware) named "autostitch".

It is very easy to use it and you can stitch 2 or more pictures-schematics

etc.

Just Google and download.

A.Tahir DENGIZ, TA2T

--- On Wed, 9/2/09, Eric Lemmon  wrote:

From: Eric Lemmon 

Subject: RE: [Repeater-Builder] stitching schematics together

To: Repeater-Builder@yahoogroups.com

Date: Wednesday, September 2, 2009, 5:21 AM

Randy,

Although "stitching" sounds really simple, it is hardly so. Many

scanners

are not completely linear, because the area near each end of the

scan is

distorted a little. When you attempt to "cut and paste" two segments

of a

larger original together, you find that you can never get all of the

fine

details to line up at the junction. A perfect example of this

optical

aberration is shown on pages 90-91 of the July 2009 issue of

National

Geographic. A panoramic photo was made up of three images from the

same

camera, taken only seconds apart, but there is obvious misalignment

between

the edges of each image.

My hat is off to you for intending to scan large pages in one shot.

I think

you'll find that it's a heckuva lot cheaper to pay a graphics shop

to scan

large images, than it is to buy (and then learn to use) Adobe

Photoshop. I

do own Photoshop, but I have neither the patience nor the

inclination to

spend a lot of time and energy manipulating segments of schematics

when I

can get a large page scanned in one pass for less than a dollar.

73, Eric Lemmon WB6FLY

-Original Message-

From: Repeater-Builder@ yahoogroups. com

[mailto:Repeater-Builder@ yahoogroups. com

 ] On Behalf Of R.K. Brumback

Sent: Tuesday, September 01, 2009 6:32 PM

To: Repeater-Builder@ yahoogroups. com

Subject: [Repeater-Builder] stitching schematics together

Thanks Eric! I will probably do that with my very large pages as you

say.

In another group someone mentioned that Adobe Photoshop will stitch

together

pdfs so I may try that with some of the 11 x 17s. I wasn’t aware

Photoshop

would do graphics like that. 

Thanks again for your reply.

Randy B.

From: Repeater-Builder@ yahoogroups. com

[mailto:Repeater-Builder@ yahoogroups. com

 ] On Behalf Of Eric Lemmon

Sent: Tuesday, September 01, 2009 8:38 PM

To: Repeater-Builder@ yahoogroups. com

Subject: RE: [Repeater-Builder]

Randy,

Rather than scan large schematics piecemeal, simply take the sheets

to a

commercial graphics shop (some Kinko's may have the 11 by 17

equipment) and

have them scan the document in one piece. My local graphics shop can

handle

huge schematics, so I take all Motorola and GE fold-out sheets

(which are up

to 34 inches wide) and have them scanned directly to PDF and put on

a CD or

thumb drive.

73, Eric Lemmon WB6FLY

-Original Message-

From: Repeater-Builder@ yahoogroups. com

[mailto:Repeater-Builder@ yahoogroups. com

 ] On Behalf Of R.K.

Brumback

Sent: Tuesday, Septe

RE: [Repeater-Builder] stitching schematics together

2009-09-01 Thread Barry

I suggest you google "Gimp"
should be possible with it 

To: Repeater-Builder@yahoogroups.com
From: wb6...@verizon.net
Date: Tue, 1 Sep 2009 19:21:42 -0700
Subject: RE: [Repeater-Builder] stitching schematics together

  Randy,

Although "stitching" sounds really simple, it is hardly so.  Many scanners

are not completely linear, because the area near each end of the scan is

distorted a little.  When you attempt to "cut and paste" two segments of a

larger original together, you find that you can never get all of the fine

details to line up at the junction.  A perfect example of this optical

aberration is shown on pages 90-91 of the July 2009 issue of National

Geographic.  A panoramic photo was made up of three images from the same

camera, taken only seconds apart, but there is obvious misalignment between

the edges of each image.

My hat is off to you for intending to scan large pages in one shot.  I think

you'll find that it's a heckuva lot cheaper to pay a graphics shop to scan

large images, than it is to buy (and then learn to use) Adobe Photoshop.  I

do own Photoshop, but I have neither the patience nor the inclination to

spend a lot of time and energy manipulating segments of schematics when I

can get a large page scanned in one pass for less than a dollar.

73, Eric Lemmon WB6FLY

-Original Message-

From: Repeater-Builder@yahoogroups.com

[mailto:repeater-buil...@yahoogroups.com] On Behalf Of R.K. Brumback

Sent: Tuesday, September 01, 2009 6:32 PM

To: Repeater-Builder@yahoogroups.com

Subject: [Repeater-Builder] stitching schematics together

Thanks Eric!  I will probably do that with my very large pages as you say.

In another group someone mentioned that Adobe Photoshop will stitch together

pdfs so I may try that with some of the 11 x 17s. I wasn’t aware Photoshop

would do graphics like that. 

Thanks again for your reply.

Randy B.

From: Repeater-Builder@yahoogroups.com

[mailto:repeater-buil...@yahoogroups.com] On Behalf Of Eric Lemmon

Sent: Tuesday, September 01, 2009 8:38 PM

To: Repeater-Builder@yahoogroups.com

Subject: RE: [Repeater-Builder]

Randy,

Rather than scan large schematics piecemeal, simply take the sheets to a

commercial graphics shop (some Kinko's may have the 11 by 17 equipment) and

have them scan the document in one piece. My local graphics shop can handle

huge schematics, so I take all Motorola and GE fold-out sheets (which are up

to 34 inches wide) and have them scanned directly to PDF and put on a CD or

thumb drive.

73, Eric Lemmon WB6FLY

-Original Message-

From: Repeater-Builder@yahoogroups.com

[mailto:Repeater-Builder@yahoogroups.com

 ] On Behalf Of R.K. Brumback

Sent: Tuesday, September 01, 2009 3:24 PM

To: Repeater-Builder@yahoogroups.com

 ;

manual_excha...@yahoogroups.com  

Subject: [Repeater-Builder]

Does anyone know or use a program where I can scan large schematics a little

at a time and then connect them back in a file like a pdf file? I can’t

afford a large bed scanner but I have several 11x17s I would like to scan on

my 8 ½ x 11 scanner.

Randy

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RE: [Repeater-Builder] Re: Low Power VHF Repeater - Solar

2009-08-26 Thread Barry


I would think a simple small solar array and maybe a modest wind genny would be 
more tha enough to supply a small 5 watt repeater , not being sure of the costs 
in your part of the world but here in Au a 500 watt genny is around a grand so 
a suitable unit will be very affordable along batteries and voltage controller 
it's not going to be bad at all 

To: Repeater-Builder@yahoogroups.com
From: ki4...@yahoo.com
Date: Thu, 27 Aug 2009 01:39:18 +
Subject: [Repeater-Builder] Re: Low Power VHF Repeater - Solar















 





  

Hello Tim,



We completed a Solar UHF GMRS repeater site this past May. Its been a huge 
success. We used a Kenwood 40 watt TKR-850 repeater and 2 100 watt solar 
panels. We started with 4 GMS batteries and they seem to support the system 
with plenty of amp hours to spare.

You can go to our web site and review the repeater site with pictures.

Look for ATL-575 solar site.

www.NorthGeorgiaGMRS.com

Feel free to contact me with any questions.

wqfu...@northgeorgiagmrs.com



Gary M. Beckstedt Sr



--- In Repeater-Builder@yahoogroups.com, "tahrens301"  wrote:

>

> A friend of mine who is the foreman for a large

> ranch asked me about providing radio coverage.

> 

> As there are a couple of hills (2000' AGL) around the

> ranch, coverage in some places would be spotty, so a

> repeater on one of the hills would be the best solution.

> 

> However, there is no power available, so a solar/wind

> power solution would be necessary. (we get a lot of sun

> here!)

> 

> I've done a couple of solar projects, but this needs to

> be pretty much commercial quality, so I was wondering

> if there is a commercial repeater available that would

> be a good candidate for solar power.

> 

> I figure the RF power out could be 5 watts or less and

> still give good coverage throughout the ranch.  

> 

> Thanks,

> 

> Tim

>





 

  














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RE: [Repeater-Builder] Talking about pdf and scanners what about microfiche??

2009-08-21 Thread Barry

I have an old Hp scsi scanner here with doc feeder , driving Photoshop it 
easily scans the microfiche I had on hand outputting an image which converts to 
.pdf ( computer is powerful though being a quad xeon Ibm)all in software . 
guess it depends what you have on hand 

To: Repeater-Builder@yahoogroups.com
From: ka3...@att.net
Date: Fri, 21 Aug 2009 23:06:41 -0500
Subject: Re: [Repeater-Builder] Talking about pdf and scanners what about 
microfiche??

  I had the service manual for a Tektronix portable 'scope on 
microfiche, and 

took it to my local library that had 'fiche readers with built-in printers. 

Printed out all of the pages, scanned the prints, and built a PDF from them. 

Looks *almost* OEM...

George, KA3HSW / WQGJ413

- Original Message - 

From: "mmoss111" 

To: 

Sent: Friday, August 21, 2009 5:46 PM

Subject: [Repeater-Builder] Talking about pdf and scanners what about 

microfiche??

I have some microfiche that I want to convert either to pdf or a 8 1/2 x 11 

format but my scanner will not work on the tiny panels.  I have a microfiche 

reader but the only thing I can think of is to take a digital picture of the 

screen.  Getting the proper exposure might be tough though.  Has anyone 

converted microfiche to usable pages that you can read?  Any ideas?  Thanks, 

Marvin

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RE: [Repeater-Builder] Sealing coaxial cable at the building entrance question.

2009-08-14 Thread Barry

If all else fails cut a disk of thin rubber , inner tube or very thin mat 
suitably sized to cover the hole and seal it to the coax and round the hole ( 
leaving a small bottom gap. Roof and gutter silicone is  good) foam is 
effective but tends to wick water so you still need a suitable seal and making 
your own is much cheaper .

To: Repeater-Builder@yahoogroups.com
From: wa5...@cablelynx.com
Date: Fri, 14 Aug 2009 16:56:27 +
Subject: [Repeater-Builder] Sealing coaxial cable at the building entrance 
question.

What is the best way to seal up the gaps around coax cable at the building 
cable entrance port? Our location has a panel with rubber knockouts. Some of 
the gaps are large.

Unfortunately the original contractor that installed the cables did not leave a 
drip loop and after a heavy rain we get some water in the building. Also the 
gaps are easy access for bugs and mice. 

We have considered using Great Stuff foam insulation but are not sure if this 
is the thing to do. Suggestions appreciated.

Wayne WA5LUY

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RE: [Repeater-Builder] Re: Motorola MTR2000 Question

2009-08-13 Thread Barry


If you are able to actively trigger the rptr then a simple df  and rx plus a 
few minutes looking will surely be a close to the location result ?

To: Repeater-Builder@yahoogroups.com
From: chris.hodg...@kaufman-ares.org
Date: Fri, 14 Aug 2009 03:09:23 +
Subject: [Repeater-Builder] Re: Motorola MTR2000 Question















 





  Problem is that they are licensed for 3 freqs. 2 UHF and 1 
VHF and I have confirmed that they are running on all three of them.  Its just 
know a matter of cat and mouse on the third repeater location.  As there is no 
one that works here anymore that knows where the radios are all located expect 
the 2 at the high school football field.



In fact the bus repeater as listed on its license is supposed to be located 
right in the middle of the intersection of a state highway and a US highway 
that runs through our town, while the GPS listed on the same license shows it 
to be about 20 miles south of that location in the middle of a cow pasture.



Will keep seeking, thanks for the help and input.



Chris KE5IGO



--- In Repeater-Builder@yahoogroups.com, "Maire-Radios"  
wrote:

>

> how about one repeater but different tone codes?

> 

> or the repeater is at some other location.

> 

> John

>   - Original Message - 

>   From: Christopher Hodgdon 

>   To: Repeater-Builder@yahoogroups.com 

>   Sent: Thursday, August 13, 2009 8:43 PM

>   Subject: [Repeater-Builder] Re: Motorola MTR2000 Question

> 

> 

> I wish I had a picture of the repeater house. The frequency listed on the 
> MTR2000 is that of the schools maint. department. The other MTR2000, hook to 
> the other antenna, is the Schools PD. I know those for a fact. Now its time 
> to locate the other repeater system. 

> 

>   The only odd ball thing I do know is that every once in a while, when a bus 
> is talking to another bus or dispatch, you get a high squeal walk on over 
> them, but its most likely another drive not paying attention and trying to 
> key their radio. But I wonder if it might be the maint. since their frequency 
> is so close to ours.

> 

>   --- In Repeater-Builder@yahoogroups.com, "Gary"  wrote:

>   >

>   > The UHF repeater is likely mismarked or the frequency info you obtained 
> for

>   > your school's license is inaccurate. The UHF repeater is likely the 
> school's

>   > repeater. As mentioned earlier the MTR2000 is a multi-channel radio but 
> can

>   > only repeat on the channel it is left on. Recommend you find a dealer or

>   > tech experienced with the MTR and who has the software necessary to

>   > configure it. Have them download its codeplug. Recommend you do the same

>   > with your school radios. A comparison of the data will likely answer a 
> lot.

>   > Gary

>   > 

>   > -Original Message-

>   > From: Repeater-Builder@yahoogroups.com

>   > [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Christopher Hodgdon

>   > Sent: Thursday, August 13, 2009 4:29 PM

>   > To: Repeater-Builder@yahoogroups.com

>   > Subject: [Repeater-Builder] Re: Motorola MTR2000 Question

>   > 

>   > Here's the deal, I work for a local school district, I have been kind of

>   > thrust into a temp. communications specialist position while we obtain 
> some

>   > new buses and working with the company that will be adding the new radios 
> to

>   > them.

>   > 

>   > Over the last few weeks, we have been trying to determine the location of

>   > our repeater. The place were it is listed on the FCC license paperwork 
> does

>   > not exist. I know, I am pushing them to get it updated. But that is

>   > another story all together.

>   > 

>   > I do have access to a "radio house" located at our high school football

>   > field and it has two MTR2000 in it, plus two different antennas. One

>   > connected to one radio and one connected to the other.

>   > 

>   > One radio is marked with the description of KISD PD, which is our police

>   > department for the district and has the following frequency pair listed on

>   > it:

>   > 

>   > VHF: RX 173.325 DPL 331 and TX 158.385 DPL 331

>   > 

>   > The other radio is marked the following:

>   > 

>   > UHF: 451.725 / 456.725

>   > 

>   > There is no documentation with this equipment, the person incharge of them

>   > originally left the district some years ago and no one knows anything 
> about

>   > them, expect where they are located, as far as these two boxes go and what

>   > frequencies that have listed.

>   > 

>   > 

>   > Which brings me back to our department, we can find out repeater located

>   > anywhere physcially. Our repeater pair is listed as:

>   > 

>   > UHF: 451.750 / 456.750

>   > 

>   > That is according to FCC, repeater listing and other information I have 
> been

>   > able to obtain and by listening to it on a UHF amateur radio to see which

>   > frequency they were on.

>   > 

>   > That being said, it is possible that the MTR2000 that is

RE: [Repeater-Builder] Re: 2M Vertical Dipoles

2009-08-12 Thread Barry

some does ,test a piece in the microwave

To: Repeater-Builder@yahoogroups.com
From: aj.grant...@gmail.com
Date: Wed, 12 Aug 2009 09:05:55 -0600
Subject: Re: [Repeater-Builder] Re: 2M Vertical Dipoles

Does really PVC absorb or RF or just act as a dielectric?

The reason I ask is I'm looking at encasing an antenna project for the sake of 
weatherproofing and PVC would fit the bill rather easily.

73,
AJ, K6LOR

On Mon, Aug 10, 2009 at 9:49 AM, AA8K73 GMail  wrote:

AJ, if you replace the steel mast with a fiberglass one,
won't you still have the metallic feed line there?

Doesn't PVC absorb RF?

73,
Mike 

AJ wrote:

On this same topic of the mast-less Antennex/Laird dipole arrays, has anyone 
attempted to top mount these from a fiberglass mast to minimize interaction 
with the normal steel pole? I have quite a few surplus fiberglass poles left 
that would likely work, even for side mounting on 1/2 wave spacing from the 
tower...

 On that same note, does anyone have construction plans for a dipole array (not 
necessarily folded dipoles)? I remember seeing a set of plans somewhere quite a 
while ago - we're thinking of constructing one but encasing the dipoles in 
fiberglass or PVC to try to protect from the weather and debris at our site 
(top of a large farm field)...

 73,
AJ, K6LOR

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RE: [Repeater-Builder] Re: Micor manuals in pdf ?

2009-07-30 Thread Barry


Great and thanks..
 lookes like the uhf is working so now to find a home for it .. completely 
bullitproof it seems 


> To: Repeater-Builder@yahoogroups.com
> From: w4...@yahoo.com
> Date: Thu, 30 Jul 2009 14:44:12 +
> Subject: [Repeater-Builder] Re: Micor manuals in pdf ?
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> Barry, Try this page...
>
>
>
> http://www.repeater-builder.com/rbtip/micor-index.html
>
>
>
> Grady
>
> W4GLE
>
>
>
> --- In Repeater-Builder@yahoogroups.com, Barry wrote:
>
>>
>
>>
>
>> I have both vhf and uhf Micor repeaters just inherited ,
>
>> Both appear to be 60 watt units and are HUGE ( about 50kg)so any ideas where 
>> I get manuals for them in pdf , a quick check and I might dispose of the uhf 
>> unit ( I am in Brisbane AU)
>
>> Thanks guys
>
>> 
>
>>
>
>>
>
>> __
>
>> Need a new model in your life? Sell your car fast.
>
>> http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Fsecure%2Dau%2Eimrworldwide%2Ecom%2Fcgi%2Dbin%2Fa%2Fci%5F450304%2Fet%5F2%2Fcg%5F801459%2Fpi%5F1004813%2Fai%5F866383&_t=758314219&_r=carpoint_tagline&_m=EXT
>
>>
>
>
>
>
>
>
>
>
>
> 
>
>
>
>
>
>
>
>
>
>
>

_
What goes online, stays online Check the daily blob for the latest on what's 
happening around the web
http://windowslive.ninemsn.com.au/blog.aspx

[Repeater-Builder] Micor manuals in pdf ?

2009-07-29 Thread Barry


I have both vhf and uhf Micor repeaters just inherited , 
Both appear to be 60 watt units and are HUGE (  about 50kg)so any ideas where I 
get manuals for them in pdf , a quick check and I might dispose of the uhf unit 
( I am in Brisbane AU)
 Thanks guys



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RE: [Repeater-Builder] Getting mice out of a repeater sight

2009-07-28 Thread Barry


Most of the suggestions are very good , now the last site we had to seal 
couldnt be because of the location so we mixed a topical  powder ( supplied in 
mice food blocks and ground) mixed with the heavy gravel meant to seal 
firewalls around cable runs  and poured it into the cavities then used silicon 
to hold it in place where required , then made a simple ultrasonics transducer 
operational and the constant sound made sure there was no more trouble ( I 
can't hear it though)  , Cleaning the gear was simple as a strip and wash with 
an ammpnia based cleaner and hospital grade disenfective ( wear hazmed filters 
in your mask ) resulted in a perfectly clean suraface and gear ,
 Not long to do and sure makes it smell purdy :)

> To: Repeater-Builder@yahoogroups.com
> From: osborne...@aol.com
> Date: Tue, 28 Jul 2009 18:55:31 -0400
> Subject: Re: [Repeater-Builder] Getting mice out of a repeater sight
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> Use a mix of bleach and water (10% bleach) to clean all
> surfaces with including any land mines left by the mice. I would also spray
> the floor area around your radio so its wet, let it dry and then sweep it.
> I would use some type of decon or the sticky traps and put moth balls in
> the radio and area around it. I would also look for the places they are 
> getting
> in and cover them with some type of metal or stuff steel wool into small
> openings. And remember rubber gloves and some type of breathing respirator
> when cleaning.
>
>
>
>
> In a message dated 7/28/2009 2:21:41 P.M. Mountain Daylight Time,
> j...@jedbarton.com writes:
>
>
>
>
> Hey guys,
> I am sure many of you have been through this before.
> The
> evil mice decided to waunder in to my repeater sight. Up until now
> they
> avoided my repeater, but when I went up there, I was less than
> pleased.
> They didn't chew any wires thank god, but they walked across the
> top of the
> icom rp4020, and left some presents if you know what I
> mean.
> I need some input, what's the best way to clean it up, anything
> in
> particular?
> All the covers were on, so I don't think they got inside,
> but haven't pulled
> the cover off yet.
> Any
> ideas?
>
> Thanks,
> Jed
>
>
>
> 
>
>
>
>
>
>
>
> 
>
>
>
>
>
>
>
>
>
>
>

_
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RE: [Repeater-Builder] Getting mice out of a repeater sight

2009-07-28 Thread Barry


Including bad joints on cold mornings 


> To: Repeater-Builder@yahoogroups.com
> From: wb2...@roadrunner.com
> Date: Tue, 28 Jul 2009 17:50:53 -0400
> Subject: Re: [Repeater-Builder] Getting mice out of a repeater sight
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> 
>
>
> Well sure.
>
>
>
> WD-40 works on anything that sticks or
> squeaks.
>
>
>
> Chuck
>
>
>
>
>
>
> - Original Message -
>
> From:
> Eric M.
>
> To: Repeater-Builder@yahoogroups.com
>
> Sent: Tuesday, July 28, 2009 5:17
> PM
>
> Subject: Re: [Repeater-Builder] Getting
> mice out of a repeater sight
>
>
>
>
> We
> used to have problems with mice inside customers computer systems, we did PM's
> every 6 months and would spray the inside of all the panels with WD-40 and it
> kept them out of the inside of the systems.
>
>
>
>
>
>
>
>
> 
>
>
>
>
>
>
>
>
>
>
>

_
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RE: [Repeater-Builder] Getting mice out of a repeater sight

2009-07-28 Thread Barry


once cleaned ( only one way to do that) you need noise and lots of it as mice 
hate the well tuned noise.


> To: repeater-builder@yahoogroups.com
> From: j...@jedbarton.com
> Date: Tue, 28 Jul 2009 16:19:16 -0400
> Subject: [Repeater-Builder] Getting mice out of a repeater sight
>
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> Hey guys,
>
> I am sure many of you have been through this before.
>
> The evil mice decided to waunder in to my repeater sight. Up until now they
>
> avoided my repeater, but when I went up there, I was less than pleased.
>
> They didn't chew any wires thank god, but they walked across the top of the
>
> icom rp4020, and left some presents if you know what I mean.
>
> I need some input, what's the best way to clean it up, anything in
>
> particular?
>
> All the covers were on, so I don't think they got inside, but haven't pulled
>
> the cover off yet.
>
> Any ideas?
>
>
>
> Thanks,
>
> Jed
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> 
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>

_
Need a new model in your life? Sell your car fast.
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RE: [Repeater-Builder] Re: crimping vs soldering & types of coax connectors

2009-07-21 Thread Barry

Personally  I cant agree with the saving thing , my wholesaler supplies bnc as 
an example in a brand name for under90c
 last h/f I went too wanted much more for some asian rubbish , normally if a 
ham asks locally at a trade supplier you get a great price after some 
explanation and your prepared to buy the bag not just one or two . 
 I am off to another here in Qld saturday morning about 3 hours away so maybe  
I will find a gem ( not holding the breath though)

> To: Repeater-Builder@yahoogroups.com
> From: k1ike_m...@snet.net
> Date: Tue, 21 Jul 2009 10:29:30 -0400
> Subject: Re: [Repeater-Builder] Re: crimping vs soldering & types of coax 
> connectors
>
>
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>
> Yes, buying at a hamfest can be a great savings, if you know what you
>
> are buying. That's exactly why I am asking this question. Knowing what
>
> you are buying is always the key to success at a hamfest. Those who get
>
> disappointed are usually the impulse buyers or those who have not done
>
> their homework.
>
>
>
> Joe
>
>
>
> Barry wrote:
>
>> Is buying at the ham fest a saving ?
>
>> I occasionally enjoy the bs session and sometimes find a bargain but much of 
>> what I see these days is expensive and often oddball - that being negative
>
>>
>
>> sadly I was just wondering
>
>>
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>

_
Need a new model in your life? Sell your car fast.
http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Fsecure%2Dau%2Eimrworldwide%2Ecom%2Fcgi%2Dbin%2Fa%2Fci%5F450304%2Fet%5F2%2Fcg%5F801459%2Fpi%5F1004813%2Fai%5F866383&_t=758314219&_r=carpoint_tagline&_m=EXT

RE: [Repeater-Builder] Re: crimping vs soldering & types of coax connectors

2009-07-21 Thread Barry





> To: Repeater-Builder@yahoogroups.com
> From: k1ike_m...@snet.net
> Date: Tue, 21 Jul 2009 08:56:41 -0400
> Subject: Re: [Repeater-Builder] Re: crimping vs soldering & types of coax 
> connectors
>
> Many of these connectors show up at hamfests with no instructions,
> sometimes with very vague identification markings. 

 Is buying at the ham fest a saving ?
 I occasionally enjoy the bs session and sometimes find a bargain but much of 
what I see these days is expensive and often oddball - that being negative 

sadly I was just wondering

> if anyone had a simpler way to get the information than browsing many
> sites looking for information.
 buying from a reputable source seems a good idea 
>
> Joe
>
> Barry wrote:
>> It never occurred to me in fact that someone wouldn't work it out as self 
>> evident , after 30 years they generally work :)
>>
>> 
>>
>
>
>
> 
>
>
>
> Yahoo! Groups Links
>
>  To visit your group on the web, go to:
> http://groups.yahoo.com/group/Repeater-Builder/
>
>  Your email settings:
> Individual Email | Traditional
>
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>
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> mailto:repeater-builder-fullfeatu...@yahoogroups.com
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> repeater-builder-unsubscr...@yahoogroups.com
>
>  Your use of Yahoo! Groups is subject to:
> http://docs.yahoo.com/info/terms/
>

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RE: [Repeater-Builder] Re: crimping vs soldering & types of coax connectors

2009-07-20 Thread Barry


It never occurred to me in fact that someone wouldn't work it out as self 
evident  , after 30 years they generally work :)


> To: Repeater-Builder@yahoogroups.com
> From: k1ike_m...@snet.net
> Date: Mon, 20 Jul 2009 21:04:51 -0400
> Subject: Re: [Repeater-Builder] Re: crimping vs soldering & types of coax 
> connectors
>
> Here's a question: Where do you get the cable preparation for the
> crimp-on connectors. Connectors that we have ordered from Tessco, etc,
> come in a bag but with no installation instructions.
>
> Joe
>
>
> Mike Besemer (WM4B) wrote:
>> Absolutely. The words ‘properly installed’ are key!
>>
>
>
>
> 
>
>
>
> Yahoo! Groups Links
>
>  To visit your group on the web, go to:
> http://groups.yahoo.com/group/Repeater-Builder/
>
>  Your email settings:
> Individual Email | Traditional
>
>  To change settings online go to:
> http://groups.yahoo.com/group/Repeater-Builder/join
> (Yahoo! ID required)
>
>  To change settings via email:
> mailto:repeater-builder-dig...@yahoogroups.com
> mailto:repeater-builder-fullfeatu...@yahoogroups.com
>
>  To unsubscribe from this group, send an email to:
> repeater-builder-unsubscr...@yahoogroups.com
>
>  Your use of Yahoo! Groups is subject to:
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RE: [Repeater-Builder] Re: crimping vs soldering & types of coax connectors

2009-07-20 Thread Barry


Tells me little , worth every penny but for the amateur a 20$ pair would 
suffice .


> To: Repeater-Builder@yahoogroups.com
> From: ya...@icsradio.com
> Date: Mon, 20 Jul 2009 10:01:20 -0700
> Subject: RE: [Repeater-Builder] Re: crimping vs soldering & types of coax 
> connectors
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>
> http://www.l-com.com/item.aspx?id=20878
>
>
>
> -Original Message-
>
> From: Repeater-Builder@yahoogroups.com
>
> [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Barry
>
> Sent: Sunday, July 19, 2009 2:32 PM
>
> To: repeater-builder@yahoogroups.com
>
> Subject: RE: [Repeater-Builder] Re: crimping vs soldering & types of coax
>
> connectors
>
>
>
> I wonder what you call "not cheap?"
>
> I paid lots for my soldering station and much less for my crimps ($80.00)
>
> as example for coax , the current crimps have done many thousands of
>
> connectors and might be replaced before i retire which will mean 2 decades
>
> of use .
>
>
>
> 
>
>> To: Repeater-Builder@yahoogroups.com
>
>> From: w9xt...@sbcglobal.net
>
>> Date: Sun, 19 Jul 2009 11:01:03 +
>
>> Subject: [Repeater-Builder] Re: crimping vs soldering & types of coax
>
>> connectors
>
>>
>
>>
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>>
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>>
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>>
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>>
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>>
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>>
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>>
>
>> My experience has been that if you use a high quality cable, high quality
>
> connector and crimping dies made specifically for the particular cable and
>
> connectors...crimp-on will working very well. It won't be cheap though. I
>
> have, when practical, soldered the connector tip to the cable...after
>
> crimping, as an added insurance for a positive connection. If done corrctly
>
> and with high quality material, I now prefer crimped connections.
>
>>
>
>>
>
>>
>
>> Dave, W9XTZ
>
>>
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>
>
> __
>
> View photos of singles in your area Click Here
>
> http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Fdating%2Eninemsn%2Ecom%2Eau%
>
> 2Fsearch%2Fsearch%2Easpx%3Fexec%3Dgo%26tp%3Dq%26gc%3D2%26tr%3D1%26lage%3D18%
>
> 26uage%3D55%26cl%3D14%26sl%3D0%26dist%3D50%26po%3D1%26do%3D2%26trackingid%3D
>
> 1046138%26r2s%3D1&_t=773166090&_r=Hotmail_Endtext&_m=EXT
>
>
>
> 
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
>
>
> 
>
>
>
>
>
>
>
>
>
>
>

_
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RE: [Repeater-Builder] Re: crimping vs soldering & types of coax connectors

2009-07-19 Thread Barry


I wonder what you call "not cheap?"
 I paid lots for my soldering station and much less for my crimps ($80.00) as 
example for coax , the current crimps have done many thousands of connectors 
and might be replaced before i retire which will mean 2 decades of use  . 


> To: Repeater-Builder@yahoogroups.com
> From: w9xt...@sbcglobal.net
> Date: Sun, 19 Jul 2009 11:01:03 +
> Subject: [Repeater-Builder] Re: crimping vs soldering & types of coax 
> connectors
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> My experience has been that if you use a high quality cable, high quality 
> connector and crimping dies made specifically for the particular cable and 
> connectors...crimp-on will working very well. It won't be cheap though. I 
> have, when practical, soldered the connector tip to the cable...after 
> crimping, as an added insurance for a positive connection. If done corrctly 
> and with high quality material, I now prefer crimped connections.
>
>
>
> Dave, W9XTZ
>
>
>
>
>
>
>
>
>
> 
>
>
>
>
>
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>
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>
>
>

_
View photos of singles in your area Click Here
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RE: [Repeater-Builder] Re: Repeater Antenna Recommendations?

2009-07-17 Thread Barry


As a personal note I have always preferred grounded metal where ever possible , 
I live in a summer tropical storm area and with 4 x 15 elements on uhf and 4 x 
13 elements on vhf and 6 on 6 metres on the one tower grounding seems sensible 
so yagis and quagis get a lot of use , ( plus i can build them here at home)
 I will stand correcting but doesn't a glass stick offer more potentual and 
electrical differentual problems ?


> To: Repeater-Builder@yahoogroups.com
> From: crac...@n0de.org
> Date: Sat, 18 Jul 2009 01:25:18 +
> Subject: [Repeater-Builder] Re: Repeater Antenna Recommendations?
>
>
>
>
>
>
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>
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>
>
>
> --- In Repeater-Builder@yahoogroups.com, Cort Buffington
>
> wrote:
>
>>
>
>> Tony,
>
>>
>
>> Obviously this is an area where many of us have very strong opinions.
>
>> I tried very hard to love fiberglass radomed colinears. I tried very
>
>> hard, but came back to the exposed dipole as the antenna of choice
>
>> every time.
>
>
>
>
>
>
>
> Any specific reasons for this decision? The only advantage I can think
>
> of is their ability to re-configure for different radiation patterns.
>
> If you have different sites with specific antenna requirements, if you
>
> tend to move antennas from site-to-site as systems are re-configured,
>
> and if you want to simplify your spare inventory then the need for the
>
> dipole is there . If a particular application calls for none of that
>
> though, why choose the exposed dipole over a one-piece fiberglass? I
>
> work around hundreds of either antenna type and notice they can both
>
> last for decades with neither obviously failing more often than the
>
> other.
>
>
>
> James K7ICU
>
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> 
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_
View photos of singles in your area Click Here
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RE: [Repeater-Builder] crimping vs soldering & types of coax connectors

2009-07-17 Thread Barry


Personally I crimp , but then I have done thousands of them and find they are 
easy and reliable with the right tools 


> To: Repeater-Builder@yahoogroups.com
> From: hitekgearh...@hotmail.com
> Date: Fri, 17 Jul 2009 21:35:12 +
> Subject: [Repeater-Builder] crimping vs soldering & types of coax connectors
>
>
>
>
>
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>
>
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>
>
>
>
>
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>
> I was wondering if you guys could give me the pros and cons of soldering vs 
> crimping coax connectors.
>
>
>
> To put the question in context, this is all related to my hobby as an 
> amateur. I don't really need to worry too much about making cables on the 
> spot in the field. I have good soldering skills and the equipment to tackle 
> most soldering jobs, so I was wondering if it was worth the investment to buy 
> the tools for crimping coax connectors.
>
>
>
> Also, I am a little confused regarding coax connectors, sizes and types of 
> coax. For example, will the same type (size) of connectors that are designed 
> for RG58 work on lmr200 and lmr195? Also, the same question goes for 
> connectors designed for RG8. Would the same category work on LMR400, and 9913.
>
>
>
> Lastly, I know that I haven't been asking any directly repeater related 
> questions. I hope you guys don't mind too much. I just feel that with all of 
> the professional and commercial experience on this group I can't go wrong. 
> Compare that to the "expertise" on some of the ham radio and cb groups and I 
> think you would feel the same. Again, I hope you don't mind.
>
>
>
> Thanks for the help
>
>
>
> Albert
>
> KI40RI
>
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_
Looking for a place to rent, share or buy this winter? Find your next place 
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RE: [Repeater-Builder] Gme answer to Australia's uhf CB 40ch

2009-07-17 Thread Barry


Good to see tibor is still doing the good work over there and gme , a very 
clever designer indeed .


> To: Repeater-Builder@yahoogroups.com
> From: kerin...@pacific.net.au
> Date: Fri, 17 Jul 2009 22:31:57 +1000
> Subject: [Repeater-Builder] Gme answer to Australia's uhf CB 40ch
>
>
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>
> Hi guys .Our acma wishes to upgrade our current 40ch uhf from 25khz to 12.5 
> khz spacing here is the gme answer to this this change
>
> http://www.acma.gov.au/webwr/_assets/main/lib310903/gme_ifc-08-2009.pdf
>
>
>
> Thank You,
>
> Ian Wells,
>
> Kerinvale Comaudio,
>
> 361 Camboon Road.Biloela.4715
>
> Phone 0749922574 or 0409159932
>
> www.kerinvalecomaudio.com.au
>
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_
Looking for a place to rent, share or buy this winter? Find your next place 
with Ninemsn property
http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Fninemsn%2Edomain%2Ecom%2Eau%2F%3Fs%5Fcid%3DFDMedia%3ANineMSN%5FHotmail%5FTagline&_t=774152450&_r=Domain_tagline&_m=EXT

RE: [possible spam] Re: [Repeater-Builder] Re: Service Monitor Question

2009-07-14 Thread Barry


How about some tachyon oscillator boosters ?


> To: Repeater-Builder@yahoogroups.com
> From: nkn...@twowayradio.net
> Date: Tue, 14 Jul 2009 05:21:48 -0500
> Subject: Re: [possible spam] Re: [Repeater-Builder] Re: Service Monitor 
> Question
>
>
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>
> Would you happen to have any di-lithium crystas or berillium spheres?
>
> JK!
>
> 73 de N5NPO
>
>
>
> - Original Message -
>
> From: Repeater-Builder@yahoogroups.com>
>
> To: Repeater-Builder@yahoogroups.com>
>
> Sent: Mon Jul 13 22:18:13 2009
>
> Subject: [possible spam] Re: [Repeater-Builder] Re: Service Monitor Question
>
>
>
>
>
>
>
> Let me add my 2 cents
>
> I have some rubidium oscillators for sale
>
> If interested - off line: com-...@com-rad.com>
>
>
>
> ED K9QPJ
>
>
>
>
>
>
>
> - Original Message -
>
> From: Jeff DePolo>
>
> To: Repeater-Builder@yahoogroups.com>
>
> Sent: Monday, July 13, 2009 10:07 PM
>
> Subject: RE: [Repeater-Builder] Re: Service Monitor Question
>
>
>
>
>
>> option, make sure it works properly. I have a bad IFR1200
>
>> here that the
>
>> heater on the oscillator crapped out. The service monitor
>
>> works, but it
>
>> is way off frequency and can't be adjusted. The last time I priced
>
>> repair, it was in the $1,000+ range.
>
>>
>
>> 73, Joe, K1ike
>
>
>
> Joe,
>
>
>
> You've probably already thought of this, but you can feed an external 10 MHz
>
> reference into the back of your 1200. GPS and rubidium references are
>
> pretty affordable these days. Scrounging them from retired cell site or
>
> paging stations is even cheaper. An external rubidium or GPS reference may
>
> render the 1200 less mobile than it was stock, but it's better than using it
>
> as a door stop...
>
>
>
> Worst-case, get a good 10 MHz OCXO module off eBay for $50. Who knows, you
>
> might get lucky and be able to find something that you can graft into the
>
> 1200 without major surgery, or mount it in a small shielded box and attach
>
> to the side or rear of the 1200.
>
>
>
> --- Jeff WN3A
>
>
>
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>

_
Looking for a place to rent, share or buy this winter? Find your next place 
with Ninemsn property
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RE: [Repeater-Builder] Re: IMPORTANT - large amount of stolen equipment recovered - is some yours?

2009-07-05 Thread Barry


As it appears here to a disinterested party , he broke the law and equipment 
used in commissioning the crime was confiscated ( jamming + abuse) .. along 
with some which may have been involved so taken as well to prevent further 
illegal activity . 
 Time to drop it fellas .


> To: Repeater-Builder@yahoogroups.com
> From: je...@lafn.org
> Date: Sun, 5 Jul 2009 19:42:34 +
> Subject: [Repeater-Builder] Re: IMPORTANT - large amount of stolen equipment 
> recovered - is some yours?
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> That's a completely different situation. There's no B&E or burglary alleged 
> here. You got a crime, you seize the evidence. You don't got a crime, it 
> ain't evidence. Now the cops are the thieves.
>
>
>
> I'm done trying to explain this. Really. :)
>
>
>
> Jeff
>
>
>
> --- In Repeater-Builder@yahoogroups.com, "TRACOMM" wrote:
>
>>
>
>>
>
>> Years ago, the PD arrested a guy breaking into a snow plow dealer late
>
>> night.
>
>>
>
>> Searched his house found tons of truck accessories, tires, rims,
>
>> landscaping equipment, light bars, 50 radios, scanners, TV's & home
>
>> electronics, etc.
>
>>
>
>> Turns out this fellow had a long history of shoplifting and B&E on those
>
>> places, including numerous shops, (ours 3 TIMES), closed out 25 B&E
>
>> cases by SEAZING the evidence, and returning it to the rightful owners
>
>> after trial.
>
>>
>
>> Arrest him and not seize the stuff, guarantee it will bne gone as soon
>
>> as he gets out on bail.
>
>>
>
>> At least this way he can claim his stuff, if he can show it is actually
>
>> his.
>
>>
>
>> Strange twist of fate, several years later, guy shows up at out shop,
>
>> NOW a rehabbed citizen, new trucks and a bank check to buy 12 mobiles
>
>> for his new landscaping business. Also apologized.
>
>>
>
>>
>
>>
>
>> CJD
>
>>
>
>>
>
>> --- In Repeater-Builder@yahoogroups.com, "Jeff Kincaid"
>
>> wrote:
>
>> Jerry, I certainly didn't mean to imply that he was doing nothing when
>
>> I said I hoped the folks he was jamming would receive a huge settlement
>
>> from him. Sorry if I was unclear. :) I am concerned, however, that the
>
>> County siezed a boatload of gear that is not known to be involved in any
>
>> crime. I think they should investigate first, and enforce later, rather
>
>> than the other way around.
>
>>> We're pretty far off topic here, so I hope this will be sufficient to
>
>> clarify my concerns.
>
>>>
>
>>> Jeff
>
>>>
>
>>> --- In Repeater-Builder@yahoogroups.com, gerald bishop orangetruck38@
>
>> wrote:
>

>
 Hate to say it ,but the last 2 posts make it sound like the guy was
>
>> doing nothing. Not sure if they warned him,but when you jam a legal freq
>
>> ,this is what happens,sooner or later. There was another jammer out
>
>> there ,i think that removal of gear and fines didn't stop him,and was
>
>> sent to the slammer. Some may think this wrong,but if you didn't ,soon
>
>> would have what the CB'ers had back in the late 70's. Self-destruction
>
>> !! Jerry W8KQ
>

>
 --- On Thu, 7/2/09, Richard slottech@ wrote:
>

>
 From: Richard slottech@
>
 Subject: RE: [Repeater-Builder] Re: IMPORTANT - large amount of
>
>> stolen equipment recovered - is some yours?
>
 To: Repeater-Builder@yahoogroups.com
>
 Date: Thursday, July 2, 2009, 8:48 PM
>
>> Are you kidding? The politicians don't care about the Constitution, to
>
>> them
>
>> it is some totally irrelevant old document. In other words, they ignore
>
>> it
>
>> and do whatever they want.
>
>> Richard
>
>> www.n7tgb.net
>
>>
>
>>
>
>> -Original Message-
>
>> From: Repeater-Builder@ yahoogroups. com
>
>> [mailto:Repeater-Builder@ yahoogroups. com] On Behalf Of Jeff Kincaid
>
>> Sent: Thursday, July 02, 2009 1:04 PM
>
>> To: Repeater-Builder@ yahoogroups. com
>
>> Subject: [Repeater-Builder] Re: IMPORTANT - large amount of stolen
>
>> equipment
>
>> recovered - is some yours?
>
>> This is really rather frightening. Many of us have similar collections
>
>> of
>
>> gear, and I'm wondering on what basis it was seized. I don't remember
>
>> anything in the Constitution about seizure of potentially stolen
>
>> property.
>
>> I hope the stuff is his and he gets a really huge settlement (and that
>
>> the
>
>> folks he was jamming get the same from him). The idea that a government
>
>> minion can simply decide that you have too much radio gear and take it
>
>> seems
>
>> rather onerous.
>
>>
>
>
>
>
>
>
>
>
>
> 
>
>
>
>
>
>
>
>
>
>
>

_
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RE: [Repeater-Builder] Re: DC Ground Lightning Protection / Concrete Electrode

2009-06-30 Thread Barry


Normally when grounding electrical and stakes  we drive the rrod , connect the 
ground strap having sanded the connection and clamp securely then spray with a 
special metalic paint , been doing this a long time with good success. 


> To: Repeater-Builder@yahoogroups.com
> From: gascha...@comcast.net
> Date: Tue, 30 Jun 2009 23:23:43 -0500
> Subject: RE: [Repeater-Builder] Re: DC Ground Lightning Protection / Concrete 
> Electrode
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> Actually galvanized and copper plated
> ground rods should not be mixed in any ground system. Electrolysis will 
> deplete
> the plating. All ground rods in any ground system are electrically connected 
> to
> one another.
>
>
>
>
>
>
>
> 73
>
>
>
> Gary k4FMX
>
>
>
>
>
>
>
>
>
>
>
>
> 
>
>
>
>
>
> From: Repeater-Builder@yahoogroups.com 
> [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Glenn Little WB4UIV
>
> Sent: Tuesday, June 30, 2009 7:53
> PM
>
> To: Repeater-Builder@yahoogroups.com
>
> Subject: Re: [Repeater-Builder]
> Re: DC Ground Lightning Protection / Concrete Electrode
>
>
>
>
>
>
>
>
>
>
>
>
> Another way to pass a ground cable through
> concrete is via a PVC pipe. The last thing that you want to do is run a ground
> cable that can carry lightning fault current through concrete without 
> isolating
> the cable from the concrete.
>
> The fault current will rapidly heat the ground cable, causing it to expand, at
> the same time vaporizing the water trapped in the concrete. The result is a
> violent steam explosion. The results could be the total fragmentation of the
> concrete.
>
>
>
> MIL HDBK 419 is available for download. This is a military manual that
> addresses grounding.
>
> Another very respected guide is Motorola R-56.
>
>
>
> Galvanized ground rods should only be used at the guy anchor points.
>
> Copper plated ground rods should be used around the tower base and the 
> building
> with all bonded together by exothermic welds 18 inches below grade.
>
> Ground rods are to be placed no closer than twice the length of the rod.
>
> Any closer and you are wasting your funds.
>
>
>
> YMMV.
>
>
>
> 73
>
> Glenn
>
> WB4UIV
>
>
>
> At 10:07 AM 6/30/2009, you wrote:
>
>
>
>
>
>
>
>
>
>
>
>
> I'm going to disagree with the
> following posting:
>
>
>
> If the tower is bolted to galvanized pipe that is embedded in concrete of
>
> which a significant amount is in contact with soil, you have a
>
> "concrete-encased grounding electrode" which is hard to improve upon.
> It is
>
> not likely that a ground rod would be worthwhile, since damp concrete
>
> (concrete in intimate contact with soil at grade level) is a fairly good
>
> conductor, and such a footing or foundation has hundreds of times the
>
> surface area of a ground rod.
>
>
>
> I have
> read Ericsson specs for cellular tower installation in that disagrees with the
> previous statement.
>
>
>
> Standard
> concrete without conductive enhancing materials can crack, pop or crumble if
> subjected to a direct lightning strike if ground rods are not properly
> installed. The water contained within the concrete will vaporize
> instantly causing the concrete to fail.
>
>
>
> There
> are types of conductive concrete mixes or additives that can be used, but the
> most common practice is to use a ground rod from each leg with a copper wire
> bonded to each tower leg.
>
>
>
> Our
> mfg building at work is made from steel I-Beams into concrete. I have
> noticed each I-Beam has its own ground connection. The strap is bolted to
> the beam about 1" above the concrete, then disappears into the concrete,
> and suspect there is a ground rod going into the soil beneath the concrete
> piling, but thats just a theory, as I dident see it before the mud was
> poured.
>
>
>
> Ed
> N3SDO
>
>
>
>
>
>
>
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> 
>
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>

_
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RE: [Repeater-Builder] Where to install my repeater antennas

2009-06-27 Thread Barry


You are going to need a lot more isolation than you are contemplating , either 
fit cans on a common stick or separate by a couple of hundred feet 


> To: Repeater-Builder@yahoogroups.com
> From: agrimm0...@yahoo.com
> Date: Sat, 27 Jun 2009 21:01:58 +
> Subject: [Repeater-Builder] Where to install my repeater antennas
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> This isn't the most difficult question to answer, and I figure it can be 
> answered relatively easily. I currently over the past few weeks constructed a 
> GMRS repeater for my neighbor hood to use. It is constructed of 2 maxtrac 
> radios one set at just 30 watts tx. I plan to use 2 antenna's so no duplexer 
> is needed with some good Heliax cable running at least to the TX antenna. I 
> have 40 ft of tower that I plan to mount the antennas on. One antenna is a 
> Celwave (RFS) 6db gain antenna. And the other is just a plain 1/4 wave NMO 
> style mount antenna. Which is the best way to install these antennas on my 
> repeater? Celwave on the transmit end and at the top, or 1/4 wave on the 
> Transmit and celwave on the receive? Also which antenna should be mounted on 
> top of the tower?
>
>
>
>
>
>
>
>
>
> 
>
>
>
>
>
>
>
>
>
>
>

_
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RE: [Repeater-Builder] KA4MKG Mike Pugh Obituary

2009-05-31 Thread Barry


Sorry to hear that , seems very young ( makes me wince)


> To: Repeater-Builder@yahoogroups.com
> From: mikep...@mikepugh.net
> Date: Sun, 31 May 2009 16:01:13 +
> Subject: [Repeater-Builder] KA4MKG Mike Pugh Obituary
>
>
>
>
>
>
>
>
>
>
>
>
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>
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>
>
>
> PUGH Michael O, KA4MKG, 56, passed away May 27, 2009 at his home. His wife 
> Jeanie Dalton survives him. Other survivors are his father, Robert Pugh, and 
> two brothers, Maurice and Malcolm Pugh all from Florence, KY. Mike was a 
> self-employed and part-time keyboard musician. Mike was an amateur radio 
> operator for 30 years and an "Elmer" to many. His wife, Jeanie, amateur radio 
> and being a keyboard musician was his love and passion. Mike will be greatly 
> missed by many. A memorial Service will be held Thu, June 4, 2009 at 
> Lansdowne Cumberland Presbyterian Church, 333 Redding Road at 3pm.
>
>
>
>
>
>
>
>
>
> 
>
>
>
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>
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>

_
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RE: [Repeater-Builder] Re: New Transmitting Antenna SWR Question

2009-05-25 Thread Barry


"After testing several times the more power that was put into the feedline the 
higher the SWR was higher"

usual reaction , you will reach a point where the vswr rises no more with 
aerial adjustments  ( capacitive inductance in the cable I guess)

"Anyone think that will help SWR any?"
 It may but that's not certain and not the right answer .






> To: Repeater-Builder@yahoogroups.com
> From: agrimm0...@yahoo.com
> Date: Sun, 24 May 2009 15:36:58 +
> Subject: [Repeater-Builder] Re: New Transmitting Antenna SWR Question
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> It came with some cutting charts to cut the 3 inside elements inside of a 
> plastic tube. I cut those and checked the SWR with 10 ft piece of RG-58 25 
> watts input and it read 1.5-1. Assumed everything was okay. Cable was put on 
> a dummy load and cable tested great with no shortages and very low loss. 3-4 
> watts from 40 watt input. After testing several times the more power that was 
> put into the feedline the higher the SWR was. The lower power I put in the 
> lower the SWR was. My tower that it is on is not grounded and the antenna 
> calls for DC ground for lightning protection so I might need to ground the 
> antenna. Anyone think that will help SWR any?
>
>
>
> --- In Repeater-Builder@yahoogroups.com, Wayne Leake wrote:
>
>>
>
>> I can't say for certain, but have you checked the antenna prior to
>
>> putting it on the tower?
>
>> I have a high gain antenna ion a twoer, need to get the heliax
>
>> connected to it, but i tested in on a post before I put it on the
>
>> twoer
>
>>
>
>> Also, LMR400 is not recommended for full duplex use. that type of
>
>> cable can cause noise problems under full duplex conditions.
>
>> I sometimes test cables as well, connecting them to a good dummy
>
>> load, and test several ways.
>
>> I have an analyzer, actually 2 of the, one only for the 70 centimeter
>
>> band, and also check with a Bird 43 watt meter looking at reflected as
>
>> well as forward power.
>
>>
>
>> matter of fact, I have some coax assembled by Cable Expertys taht
>
>> turns out some has fare more loss than another, both 100 feet About 65
>
>> watts from a GE Mastr II repeater on the 440 band shows about 4 watts
>
>> at the other end, and one less than 1 watt. Something not right there.
>
>> So it is possible the coax and/or connectors have a problem
>
>> By mounting my antenna low and using a known good jumper from my 440
>
>> analyzer. I determined the SWR was very low on the antenna. And
>
>> testing cables will show you where the problem might be.
>
>> Also, where are you inserting the meter? That can make a difference
>
>> I tested my loss in my duplexer by testing watts before it and watts
>
>> out. Found good for the rated insertion loss.
>
>> And little reflected power on the transmitter side of the duplexer.
>
>> the word is, test, test and test.
>
>> test each part of the antenna system to locate where the problem really is...
>
>>
>
>> Wayne WA2YNE
>
>>
>
>>
>
>> On Sat, May 23, 2009 at 8:17 PM, agrimm0034 wrote:
>
>>>
>
>>>
>
>>> Currently just upgraded my home built GMRS Maxtrac repeater to a new 6.5db
>
>>> Gain Tran-Max antenna. Says SWR should be 1.5 - 1 or less and I have a
>
>>> reading of 2.5 - 1. I'm using LMR 400 ultra low loss cable at 40 ft putting
>
>>> in 40 watts of power. The antenna is mounted on 40 ft tower old 3 legged
>
>>> style. Nothing is around the antenna and check cable to make sure it wasn't
>
>>> shorted and everything seems to be fine. Any ideas on how to make the
>
>>> Standing Wave better?
>
>>>
>
>>>
>
>>
>
>
>
>
>
>
>
>
>
> 
>
>
>
>
>
>
>
>
>
>
>

_
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RE: [Repeater-Builder] Cable identity

2009-05-23 Thread Barry


I think it's 72-Ohm


> To: Repeater-Builder@yahoogroups.com
> From: cruising7...@aol.com
> Date: Sat, 23 May 2009 21:21:23 -0400
> Subject: [Repeater-Builder] Cable identity
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> Anybody know the nominal impedance of a coax cable labeled: Digital
> Microwave Corp LK 11?
>
>
>
> It has a copper solid center conductor (looks like 22 gauge), 3/16" foam
> dialectic that fits into an F connector
>
> for RG-6U, an inner aluminum foil shield and an outer braid shield. It
> looks like video cable but I can't find any specs on it.
>
>
>
> Thanks
>
>
>
> Bruce
>
> K7IJt
>
> 
> A strong credit score is 700 or above. See Yours in Just 2 Easy Steps!
>
>
>
>
>
>
>
> 
>
>
>
>
>
>
>
>
>
>
>

_
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RE: [Repeater-Builder] Re: Ham installation quality/non-quality

2009-05-05 Thread Barry


+1
 excellent idea 


> To: Repeater-Builder@yahoogroups.com
> From: wb2...@roadrunner.com
> Date: Tue, 5 May 2009 16:48:13 -0400
> Subject: Re: [Repeater-Builder] Re: Ham installation quality/non-quality
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> Nate -
>
>
>
> May I suggest that you do a write-up with photos that could be posted on the
>
> RB site? Maybe "the right way" and "the wrong way" would be helpful for guys
>
> making installs. And explain why it's done this way, not that way.
>
>
>
> Chuck
>
> WB2EDV
>
>
>
> - Original Message -
>
> From: "Nate Duehr">
>
> To:>
>
> Sent: Tuesday, May 05, 2009 4:28 PM
>
> Subject: Re: [Repeater-Builder] Re: Ham installation quality/non-quality
>
>
>
>>
>
>> On Tue, 05 May 2009 12:32:57 -, "Louis"> said:
>
>>> Interesting, this looks like one of those Hams/bash-hams discussions
>
>>> that is not suppose to take place on this forum!
>
>>
>
>> Sometimes you just have to rant when you see something this bad. I
>
>> didn't name names, and I didn't attack any individual.
>
>>
>
>>> Yes, I will agree their are those that cause havoc with a tower site
>
>>> owner, or other lessors, but the number is minor compared to those
>
>>> Amateur Radio installs that are done properly and well maintained.
>
>>
>
>> I hope so. From the "proud papa photos" around the Internet, I'd say
>
>> it's closer to 50/50, but luckily that ratio gets better at commercial
>
>> sites, where my club's gear often lives.
>
>>
>
>
>
>
>
>
>
>
>
>
>
> 
>
>
>
>
>
>
>
>
>
>
>

_
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RE: [Repeater-Builder] Re: Ham installation quality/non-quality

2009-05-05 Thread Barry





> To: Repeater-Builder@yahoogroups.com
> From: k1...@yahoo.com
> Date: Tue, 5 May 2009 12:32:57 +
> Subject: [Repeater-Builder] Re: Ham installation quality/non-quality
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> Interesting, this looks like one of those Hams/bash-hams discussions that is 
> not suppose to take place on this forum!

 possibly not , if it is then it will be moderated I guess
>
>
>
> Yes, I will agree their are those that cause havoc with a tower site owner, 
> or other lessors, but the number is minor compared to those Amateur Radio 
> installs that are done properly and well maintained.
>
>
>
> Let's hope you never need the services of a Amateur Radio Operator during a 
> disaster, when the so-called Professional Installs have failed for one reason 
> or another.


 relevance ?
>
>
>
> The next step would be, to consult the tower owner and found out what 
> criteria he/she/they required when allowing the Amateur repeater be 
> installed. 

 what ever it is the facts remain legality and commonsense prevail ?


You may find, that the hardline that was run up the middle of the tower, was 
already there, and unused, and the tower owner said, sure, you can use it. Some 
tower owners require a professional bonded tower climber to do the work, and 
the culprit may lie there.
>
>
>
> Bashing all Hams because of something that you feel is inadequate really is 
> uncalled for!


 the target is legality as I read it not the hams specifically 
>
>
>
> Have a great day!
 ditto 
>
>
>
> Louis Upton - K1STX
>
>
>
>
>
>
>
>
>
> 
>
>
>
>
>
>
>
>
>
>
>

_
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RE: [Repeater-Builder] Ham installation quality/non-quality

2009-05-04 Thread Barry


Interesting read , 
In this part of the world the regulation regarding cable installs is very 
stringent and as one licensed to do such things is a constant source of 
amusement for me , just because you have an amateur license does not mean you 
have to install like one  :)
I know of commercial installers getting fined these days who complain
 "we have been doing it this way for years"


> To: Repeater-Builder@yahoogroups.com
> From: wb2...@roadrunner.com
> Date: Mon, 4 May 2009 15:16:47 -0400
> Subject: Re: [Repeater-Builder] Ham installation quality/non-quality
>
>
>
>
>
>
> I know a radio shop that does installs like that. It's been in business for
>
> over 30 years.
>
>
>
> Chuck
>
> WB2EDV
>
>
>
> - Original Message -
>
> From: "Nate Duehr">
>
> To:>
>
> Sent: Monday, May 04, 2009 2:50 PM
>
> Subject: [Repeater-Builder] Ham installation quality/non-quality
>
>
>
>> Nightmare "f-ing Hams!" story from this weekend:
>
>>
>
>> I went to a site this weekend, and the "new" Amateur repeater in the new
>
>> building the hams are moving into had 200' of 1/2 Andrews hardline on it
>
>> that I don't even know how it was operating... it looked like someone
>
>> had taken a ballpeen hammer to it at 5' lengths all the way across the
>
>> ice bridge and up the tower. The hardline run was done INSIDE a tower
>
>> leg instead of properly up the outside cable tray/unistrut with no
>
>> hangers, and no grounding kits on the run of 1/2" anywhere.
>
>>
>
>>SNIP<
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_
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RE: [Repeater-Builder] Computer noise in 2M Repeater

2009-04-25 Thread Barry


that might be incoorect though , hence the sniffer  as the cat5e is not the 
only possibility 


> To: Repeater-Builder@yahoogroups.com
> From: brian.ra...@gmail.com
> Date: Sat, 25 Apr 2009 00:59:34 -0700
> Subject: Re: [Repeater-Builder] Computer noise in 2M Repeater
>
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> Either that or talk with your tower owner and let them know that this
>
> tennant may need to run shielded cat5 cable up the tower, as it is
>
> providing interference with your equipment.
>
>
>
> On Sat, Apr 25, 2009 at 12:08 AM, Barry> wrote:
>
>>
>
>> Run a sniffer over the cat5e , I suspect there may be some radiation nodes 
>> requiring a choke or two
>
>>
>
>> 
>
>>> To: Repeater-Builder@yahoogroups.com
>
>>> From: jrussell...@allegiance.tv
>
>>> Date: Fri, 24 Apr 2009 21:19:50 -0500
>
>>> Subject: [Repeater-Builder] Computer noise in 2M Repeater
>
>>>
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>>>
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>>>
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>>>
>
>>> Does anyone have any suggestions on how to
>
>>> eliminate noise generated by a Wireless
>
>>>
>
>>> Internet System. The
>
>>> owner of the tower where our club has our 145.370 MHz repeater
>
>>>
>
>>> has rented space to a group who have mounted a wireless Internet "relay" on 
>>> the tower.
>
>>>
>
>>> The system is simple, it consist of a Netgear switch, a
>
>>> Microwave dish and a smallYagi.
>
>>>
>
>>> There is approx. 300 feet of Cat 5 wire going up and 300 feet coming down 
>>> the
>
>>> tower.
>
>>>
>
>>> Their antennas are mounted within a few feet
>
>>> of ours on the top of the 260 ft. tower.
>
>>>
>
>>> We unplugged the netgear switch and the noise
>
>>> cleared, we disconnected our
>
>>>
>
>>> antenna and the
>
>>> noise goes away. The noise rides on
>
>>> the repeater receiver squelch tail.
>
>>>
>
>>> We do use a PL tone
>
>>> or we wouldn't be able to use our repeater at all
>
>>>
>
>>>
>
>>>
>
>>> Jim WK5Y
>
>>>
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>>>
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>>
>
>> __
>
>> Looking to change your car this year? Find car news, reviews and more
>
>> http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Fsecure%2Dau%2Eimrworldwide%2Ecom%2Fcgi%2Dbin%2Fa%2Fci%5F450304%2Fet%5F2%2Fcg%5F801459%2Fpi%5F1004813%2Fai%5F859641&_t=762955845&_r=tig_OCT07&_m=EXT
>
>>
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>> 
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>> Yahoo! Groups Links
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RE: [Repeater-Builder] Computer noise in 2M Repeater

2009-04-25 Thread Barry


Run a sniffer over the cat5e , I suspect there may be some radiation nodes 
requiring a choke or two 


> To: Repeater-Builder@yahoogroups.com
> From: jrussell...@allegiance.tv
> Date: Fri, 24 Apr 2009 21:19:50 -0500
> Subject: [Repeater-Builder] Computer noise in 2M Repeater
>
>
>
>
>
>
>
>
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>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> Does anyone have any suggestions on how to
> eliminate noise generated by a Wireless
>
> Internet System. The
> owner of the tower where our club has our 145.370 MHz repeater
>
> has rented space to a group who have mounted a wireless Internet "relay" on 
> the tower.
>
> The system is simple, it consist of a Netgear switch, a
> Microwave dish and a smallYagi.
>
> There is approx. 300 feet of Cat 5 wire going up and 300 feet coming down the
> tower.
>
> Their antennas are mounted within a few feet
> of ours on the top of the 260 ft. tower.
>
> We unplugged the netgear switch and the noise
> cleared, we disconnected our
>
> antenna and the
> noise goes away. The noise rides on
> the repeater receiver squelch tail.
>
> We do use a PL tone
> or we wouldn't be able to use our repeater at all
>
>
>
> Jim WK5Y
>
>
>
>
>
>
>
> 
>
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>
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>

_
Looking to change your car this year? Find car news, reviews and more 
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RE: [Repeater-Builder] Ritron Repeater Plus UHF Repeater System w/Echolink interface & Dell Laptop

2009-04-21 Thread Barry

Chinese duplexers ?

 So do you have a photo ?
 url ?

To: Repeater-Builder@yahoogroups.com
From: clay...@kj0x.com
Date: Tue, 21 Apr 2009 18:21:54 +
Subject: [Repeater-Builder] Ritron Repeater Plus UHF Repeater System w/Echolink 
interface & Dell Laptop

I have a Ritron UHF Repeter Plus (desktop model), it is up and running on 
444.525+ pl 100.  

It is currently up and running and is an active node on Echolink, 
please feel free to connect (KJ0X-R). 

It is composed of the following items:

Ritron 455 UHF repeater w/tone board
Tesco UHF PA6-1AE 70W 12V amp with COR
ILINKBORDS AMI-2 echolink interface
6 Cavity Duplexer (new, chinese brand)
Dell laptop W Pentium-M 2.4GHz CPU w/1GB RAM/30GB Hard Drive
HamGadgets ID-O'Matic ID'er/Controller

The Ritron has been modified to output w/N Connecters to connect to external 
cavity, I/O for Echolink. The bare repeater will put out about 5-8 watts w/o 
amplifier. 

I still have internal cavity if someone wanted to restore to low power system.

 All cables and accessories, just add 12V Source for amp and AMI-2, antenna and 
ethernet connection for echolink. 

System also has input for 12V Auxilliary Power. 

The IDer/Controller programmable by serial port. 

I would like sell the complete system for $775/obo + shipping from 63645, 

OR

Repeater/Controller/Duplexer/Amp $450/obo - Pictures can be taken for serious 
buyers.
Clay - 573-561-3819 email clayton at kj[ZERO]x.com RELACE [ZERO] with 0 / 
kj0x...

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RE: [Repeater-Builder] 2 Meter Repeater Antenna Suggestions

2009-04-14 Thread Barry


Well you are an Amateur operator so how about making one ?
 has to be cheaper than the price you mentioned , maybe you have friends who 
can help ?


> To: Repeater-Builder@yahoogroups.com
> From: nkn...@twowayradio.net
> Date: Mon, 13 Apr 2009 21:52:14 -0500
> Subject: Re: [Repeater-Builder] 2 Meter Repeater Antenna Suggestions
>
>
>
>
>
>
>
>
>
>
>
Send
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> I am not much of a fan of the Mexican made DB-224E. Having said that, what 
> are your options? Telewave has a HAM discount of 30% off list, but that still 
> puts their equivalant at well over what the going rate for the 224E is. What 
> about RFS Cellwave or Sinclair? Even more costly. Some say you get what youi 
> pay for.
>
> Back to the Mexican 224E, still a worthy contender. I just installed one and 
> a couple of it's A and B sisters over the past few months. I had to replace 2 
> less than 4 years old. One was in good condition despite an obvious 
> lightening hit. Customer just wanted to spend money on a new Sinclair 
> antenna. The other one had somehow gotten water inside the N male connector 
> at the end of the harness. The water got inside the hot glue heat-shrink and 
> then inside the N female on the Heliax. Needless to say, that didn't work too 
> well.
>
> If you go with the 224, just make sure to tighten all terminal nuts and 
> weatherproof all the connectors and joints well. Don't assume that the 
> heatshrink with hot glue inside will keep water out. Inspect all factory 
> moldings carefully and take appropriate measures if you have the slightest 
> question about it.
>
> If you do, you should get years of good service out of the Mexican 
> Commscope/Andrew DB-224E.
>
> 73 de N5NPO
>
> Norman Knapp
>
>
>
> - Original Message -
>
> From: Repeater-Builder@yahoogroups.com>
>
> To: Repeater-Builder>
>
> Sent: Mon Apr 13 20:58:47 2009
>
> Subject: [Repeater-Builder] 2 Meter Repeater Antenna Suggestions
>
>
>
>
>
>
>
> OK not to open a can of stinky worms..but...
>
> I need to buy a NEW 2 Meter Repeater Antenna.
>
> I am asking for suggestions. I have heard bad things about the now
>
> across the boarder assembled Andrew/DB Prod. Antennas.
>
> The 139-150 Split version is available and in stock from Tessco List
>
> is $730.00. (and yes I know it can be bought a lot cheaper)
>
> And please no suggestions about Diamond or any of the HAM made
>
> antennas. These are very poor Repeater Antennas and will not stand up
>
> to Mountain top ice and wind. Not to mention their poor performance
>
> and noisy Duplex operation.
>
>
>
> Thanks and 73 Tim K4TDO
>
>
>
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> 
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>

_
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RE: [Repeater-Builder] Re: Ridiculus

2009-04-08 Thread Barry

I have trouble believing you guys even  consider it factual.. remember april 
one was a couple of days away 

To: Repeater-Builder@yahoogroups.com
From: k7...@comcast.net
Date: Wed, 8 Apr 2009 16:58:32 -0600
Subject: RE: [Repeater-Builder] Re: Ridiculus

Where is the rest of the email thread so
we can see where this idea came from.

Mike

Colorado Telecom, L.L.C

Mike Mullarkey

6886 Sage Ave

Firestone, Co 80504

303-954-9695 Home

303-954-9693 Home Office & Fax

303-718-8052 Cellular

From:
Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On 
Behalf Of k9dc

Sent: Wednesday, April 08, 2009
4:42 PM

To:
Repeater-Builder@yahoogroups.com

Subject: [Repeater-Builder] Re:
Ridiculus

--- In Repeater-Builder@yahoogroups.com,
Barry  wrote:

> Well I cant see it lasting past an appeal 

What? are you kidding?... Eliminate Ham Radio from California?... Think about 
it. How cool
would that be! :)

-k9dc

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RE: [Repeater-Builder] Ridiculus

2009-04-08 Thread Barry





> From: localjunkpedd...@gmail.com
> Date: Wed, 8 Apr 2009 16:38:13 -0400
> Subject: [Repeater-Builder] Ridiculus
>
>
>
>
>
>
>
>
>
Well I cant see it lasting past an appeal 

>

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[Repeater-Builder] MSF UHF R1 to R2 - anyone done this?

2009-04-06 Thread Barry Buelow

Hi
I'm in the process of converting a UHF R1 to R2.  I've got the programming all 
done and am tuning the RX.  

The injection and mixer are not tuning well as the slugs are nearly all the way 
out.  L7-11

Has anyone done this conversion before?
Did you end up doing mods to the mixer?

Any other suggestions?

thanks
Barry w0iy

RE: [Repeater-Builder] repeater to DSL

2009-04-01 Thread Barry


Now thats a stretch , Last one I was involved with came I think from Comtel in 
Eu..  an old lappy is easier 


> To: Repeater-Builder@yahoogroups.com
> From: maire-rad...@verizon.net
> Date: Wed, 1 Apr 2009 00:08:09 -0400
> Subject: Re: [Repeater-Builder] repeater to DSL
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> more
> info.
>
>
>
> thanks
> John
>
>
>
>
>
>
> - Original Message -
>
> From:
> Barry
>
> To: repeater-builder@yahoogroups.com
>
> Sent: Tuesday, March 31, 2009 11:27
> PM
>
> Subject: RE: [Repeater-Builder] repeater
> to DSL
>
>
>
>
>
>
>
> 
>
> To: Repeater-Builder@yahoogroups.com
> From:
> maire-rad...@verizon.net
> Date:
> Tue, 31 Mar 2009 23:24:30 -0400
> Subject: Re: [Repeater-Builder] repeater to
> DSL
>
>
>
>
>
>
> yes both the audio and
> control.
>
>
>
> at this time there is no
> computer at the towers sites.
>
>
>
> I
> told there is equipment out there that will do this without the need for
> a computer.
>
>
> Yes there is , but how good is your funding
> ?
>
>
>
>
>
>
>
> -
> Original Message -
>
> From:
> Barry
>
> To:
> repeater-builder@yahoogroups.com
>
> Sent:
> Tuesday, March 31, 2009 10:49 PM
>
> Subject:
> RE: [Repeater-Builder] repeater to DSL
>
>
>
> your intending to run the audio and or control via adsl
> ?
>
> some sort of computer running nix is simple as there
> are packages out there to do the work , have you looked on 
> http://www.zapatatelephony.org/app_rpt.html
> and
> http://www.dxzone.com/catalog/Software/Repeater_Control/
> a
> veru used 386 or better pc or an industrial dedicated mini server would
> suffice with minimal power requirements
>
>
>
> 
>
> To: Repeater-Builder@yahoogroups.com
> From:
> maire-rad...@verizon.net
> Date: Tue, 31 Mar 2009 22:21:42
> -0400
> Subject: [Repeater-Builder] repeater to DSL
>
>
>
>
>
>
> any one got any thoughts
> on how to tie 2 repeaters together on a DLS line.
>
>
>
> Both repeaters at this
> time are 12.5 set up in the business band. They will be Kenwood
> TKR-840 units.
>
>
>
> any help or links to
> info would be great.
>
>
>
> thanks
> john
>
>
>
>
>
>
> 
>
> Find car news, reviews and more Looking
> to change your car this year?
>
>
>
>
>
> 
>
> Download the new Windows Live Messenger Find out what’s new with your friends
>
>
>
>
>
>
>
>
> 
>
>
>
>
>
>
>
>
>
>
>

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RE: [Repeater-Builder] repeater to DSL

2009-03-31 Thread Barry

To: Repeater-Builder@yahoogroups.com
From: maire-rad...@verizon.net
Date: Tue, 31 Mar 2009 23:24:30 -0400
Subject: Re: [Repeater-Builder] repeater to DSL

yes both the audio and 
control.

at this time there is no 
computer at the towers sites.

I told there is equipment 
out there that will do this  without the need for a 
computer.

 Yes there is , but how good is your funding ?

  - Original Message - 
  From: 
  Barry 
  To: repeater-builder@yahoogroups.com 

  Sent: Tuesday, March 31, 2009 10:49 
  PM
  Subject: RE: [Repeater-Builder] repeater 
  to DSL

  your intending to run the audio and or control via adsl ?

 some 
  sort of computer running nix is simple  as there are packages out there 
  to do the work , have you looked on 
http://www.zapatatelephony.org/app_rpt.html
 and 
  http://www.dxzone.com/catalog/Software/Repeater_Control/
 a 
  veru used 386 or better pc or an industrial dedicated mini server would 
  suffice with minimal power requirements 

  To: Repeater-Builder@yahoogroups.com
From: 
  maire-rad...@verizon.net
Date: Tue, 31 Mar 2009 22:21:42 
  -0400
Subject: [Repeater-Builder] repeater to DSL

  any one got any thoughts 
  on how to tie 2 repeaters together on a DLS line.

  Both repeaters at this 
  time are 12.5 set up in the business band.  They will be Kenwood TKR-840 
  units.

  any help or links to info 
  would be great.

  thanks  
  john

  Find car news, reviews and more Looking to change your car this year? 

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RE: [Repeater-Builder] repeater to DSL

2009-03-31 Thread Barry


your intending to run the audio and or control via adsl ?

 some sort of computer running nix is simple  as there are packages out there 
to do the work , have you looked on http://www.zapatatelephony.org/app_rpt.html
 and http://www.dxzone.com/catalog/Software/Repeater_Control/
 a veru used 386 or better pc or an industrial dedicated mini server would 
suffice with minimal power requirements 

To: Repeater-Builder@yahoogroups.com
From: maire-rad...@verizon.net
Date: Tue, 31 Mar 2009 22:21:42 -0400
Subject: [Repeater-Builder] repeater to DSL

























any one got any thoughts on 
how to tie 2 repeaters together on a DLS line.
 
Both repeaters at this time 
are 12.5 set up in the business band.  They will be Kenwood TKR-840 
units.
 
any help or links to info 
would be great.
 
thanks  
john
 


 

  














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