date:20050624

RE: [Repeater-Builder] ? Any difference in a Zetron 38 and 38A ??

2005-06-24 Thread ferdi

Glen
Think I had previously given u my work address. 
Here goes again:
[EMAIL PROTECTED]

Contact Shawn Rosemond on 453 9311 regarding this request as I am off island

-Original Message-
From:   "Repeater-Builder@yahoogroups.com"  
on behalf of  "bradley glen" <[EMAIL PROTECTED]>
Sent:   Wednesday, June 22, 2005 1:09 PM
To: "Repeater-Builder@yahoogroups.com" 
Subject:Re: [Repeater-Builder] ? Any difference in a Zetron 38 and 38A 
??

Hi 

As far I I can remember the 38 only did ctcss where
the 38A did ctcss and dcs.

You may want to check that the 38 had 94.8 hz tone
missing , it has been quite some time since using the
38 .

Regards

Bradley Glen  ZS5WT

--- Rich Garcia <[EMAIL PROTECTED]> wrote:

> I just got a Zetron Model 38 Repeater Controller. Is
> there any difference
> between the 38 and the 38A which is currently listed
> on their web site. I
> have never owned a Zetron Controller before and have
> never used their items
> except for their 2-Tone Encode/Decode Line.
> 
> Any bad or good things to say about the Model 38 ? I
> know they were popular
> at one time.
> 
> Thanks
> Rich
> 
> 
> 
> 
> 
> 
>  
> Yahoo! Groups Links
> 
> 
> [EMAIL PROTECTED]
> 
>  
> 
> 
> 

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[Repeater-Builder] DTMF Encoder DATA SIGNAL ME-800

2005-06-24 Thread Lloyd Mitchell

Does any one have the users/programming manual for a DTMF encoder maf. 
by Data Signal Inc. model ME-800?

I have had 4 given to me but no paperwork.  The unit is a 12 key (no 
A,B,C,D) black DTMF pad mounted on a Brown metal enclosure with three 
pushbuttons at the bottom labeled, Store, Loc, Redial. There is a 
sounder mounted in the bottom

Any help is appreiciated.

Lloyd KD4HTW






 
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[Repeater-Builder] Maxtrac's FS and...

2005-06-24 Thread Doug W7FDF

Because of my
repeater design/building interests and having a few extra radios laying around not being used. I have several rigs available
that I want to pass on to the group first, before I list them on eBAY. Also, normally I do not like to list items for sale
on ANY list but because we all are experimenters and look for the BEST deal
around. I’d rather have these items go to a Ham Op. Plus I NEED the cash
to pay for my major repeater project I spoke of earlier and really don’t
want to spend 4-6 days on eBAY “waiting”
for a winner. One email to me will make YOU, that winner!

#1 Maxtrac D34 UHF 16 channel
25 watt with mic, mtg
bracket 5-pin external Motorola speaker attached asking $100.00

#2 Maxtrac D44
UHF 6 channel 40 watt
with mtg bracket and mic
and 16 pin plug attached asking $110.00

#3 Maxtrac D34
UHF 6 channel 25 watt
with mic, mtg bracket 5-pin
external Motorola spkr attached asking $100.00

#4 Maxtrac D34
VHF 6 channel 25 watt
with mic, mtg bracket
16-pin plug-this is a 2-meter rig asking $100.00

NOTE: The above Maxtracs have been programmed for the Ham frequencies and
work very well. If you require programming I **WILL ONLY** reprogram the radios
to the Amateur Radio band and to the frequency and PL tones of your choice.

NOTE: I do not have
the dc power cables for the above. Indeed these units were tested and verified
to work on my workbench. Matter of fact two of these radios were used as Remotebase
radios and connected through the 16 pin external jack [RSS programming] on the
respective radio. There are **NO** mods in any of
these radios.

ADI AT-400
UHF HT with a decent battery [12 volt 600ma] and the matching ARC-12 Desktop
Rapid Charger with Users booklet. This is a 5 watt portable asking $100.00

Kenwood TW-4100A
dual bander mobile rig with mic…no
mtg bracket asking $130.00 I may have the complete
Service Manual in the Qth and if found, will throw in
the package [free]

Radio Shack HTX-100
10-meter SSB/CW mobile rig…in mint condition with all accessories asking
$80.00

For info on the
above ADI and Kenwood rigs go to: http://www.rigpix.com/index.shtml

For info on the RS hf rig: http://support.radioshack.com/support_electronics/doc38/38131.htm

Please contact me
off the list at: [EMAIL PROTECTED]
for more information.

Final NOTE: The
above items will be listed on eBAY Sunday morning so
you have a couple of days to “think” about the goodies I am
offering. I look forward to hearing from you all soon.

Doug W7FDF

Vail, Arizona

PS: The Maxtracs make real nice Remotebase
radios and simple to interface to your repeater.

PS: Method of
payment: PayPal or US Postal money order ONLY….thanks!

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[Repeater-Builder] Re: how broad are cavities? 150MHz cavities on 450MHz

2005-06-24 Thread skipp025

Yes and no... for the most part they will work 
just fine as 3/4 wave cavities.  The fly in your 
soup is the loops or probe lengths.  

While 150Mhz loops will actually work at 450MHz 
(not very well) there is a best practical loop 
target size. 

The best way to use your 150MHz band pass cavity 
at 450MHz is to tell me/us which brand/type/size 
it is and we'll give you the loop size for the 
450MHz version.  Shorten your loops or better yet 
make new loops and you'd be ready to rock and 
roll if everything plays as expected. 

skipp
www.radiowrench.com/sonic 

> "Kevin & Natalia" <[EMAIL PROTECTED]> wrote:
> Are you then saying that some of my cavities I 
> have for 150Mhz, I can use without any mods for 
> around 450Mhz. If this is correct, I would be 
> very happy, as I can use them, instead of 
> them sitting around waiting to be used. 
> Kev.
> 
> - Original Message - 
> From: "skipp025" <[EMAIL PROTECTED]>
> To: 
> Sent: Friday, June 24, 2005 11:41 AM
> Subject: [Repeater-Builder] Re: how broad are cavities?
> 
> 
> > The shame about the dumpster part of your post. A 1/4
> > wave cavity at 150MHz makes a 3/4 wave cavity at 450MHz
> > skipp
> >
> >>  Don Pomplun <[EMAIL PROTECTED]> wrote:
> >> Thanks for the insight, Paul.
> >> The fact that they are spec'd by fairly wide ranges was the info
I was
> >> hoping for.  I called a friend today whose system switched from
the 150
> >> band to a 400 MHz trunked system a few years ago to see if they had
> > any of
> >> the old cavities laying around.  He said that they had just finished
> >> cleaning house last week and all the old junk went to the dumpster,
> > but he
> >> would do some diving to see what was still there.
> >> Regards,
> >> Don
> >>
> >> At 12:03 PM 6/22/2005 -0400, you wrote:
> >> >Don,
> >> >
> >> > > 1. Cavities are roughly tuned by their
> >> > > physical dimensions, and then tweaked by rods, plates,
> >> > > etc., eh?
> >> >
> >> >The length of the cavity (more importantly the inner
> >> >conductor of the cavity) sets the frequency.  Usually
> >> >cavities are designed to cover a RANGE of frequencies...
> >> >the tuning rod coming out the top adjusts the length of the
> >> >center conductor inside the cavity.  The tuning range
> >> >varies depending on manufacturer and model... some typical
> >> >ranges are 136-150, 150-174, 136-174... and many others.
> >> >
> >> >You might want to check some of the articles referenced on
> >> >the following page for more on cavity and duplexer theory:
> >> >
> >> >http://www.repeater-builder.com/rbtip/ant-sys-index.html
> >> >
> >> >There is a section on Cavities, Duplexers, etc. part way
> >> >down that page.
> >> >
> >> > > 3. How awful a compromise would it be to use available
> >> > > cavities from a 2 meter system at railroad frequencies
> >> > > (160-161 MHz) ?
> >> >
> >> >If the cavities will tune that high, they probably work just
> >> >fine.  If the are now on the 2 meter band (below 148 MHz)
> >> >they may or may not tune at 160 MHz... it depends on
> >> >whether the center conductor can be adjusted that far by
> >> >means of the tuning rod.
> >> >
> >> >If you are actually referring to a duplexer (several
> >> >interconnected cavities to allow use of a single antenna
> >> >for transmitting and receiving) there may be other factors
> >> >to consider.  The cavities themselves may tune where you
> >> >want them, but the length of the coaxial cables
> >> >interconnecting the cavities may need to be optimized for
> >> >that frequency to get best performance.
> >> >
> >> >The cavities may have more than one adjustment... if they
> >> >are bandpass-bandreject cavities, there will be one
> >> >adjustment for the length of the center conductor (usually
> >> >a big knob / tuning rod) and another adjustment of some
> >> >sort to set the frequency of the notch relative to the pass
> >> >frequency.
> >> >
> >> >If you can tell us what specific cavities (or duplexer) you
> >> >are looking at, some of us can probably provide more
> >> >specific information.
> >> >
> >> >Paul
> >
> >
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
> >






 
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[Repeater-Builder] Repeater Controllers FS

2005-06-24 Thread Doug W7FDF

Greetings from Arizona:

This weekend I will
list four repeater controllers for sale on eBAY. A little
history on each first:

1] NHRC-2 wired and tested bought on eBAY last year but never hooked up. Details can be seen at http://www.nhrc.net/nhrc-2/ asking $65.00

2] NHRC-4
wired/tested and was used in one of my repeaters. Details can be seen at http://www.nhrc.net/nhrc-4/ asking $80.00

NOTE: I made the offer
for the above two items to one Ham in the UK
this morning and if I do not hear from him by Saturday evening [PST] or anyone
from this list. I will post to eBAY first thing
Sunday morning.

3] Link Comm
RLC-1 I bought this controller from
another Ham last summer and was assured it was tested, in use at one time on a
repeater. I paid $150.00 for it so I asking in return, what I paid for it. No
this controller is **NOT** the RLC-1 Plus board. Details can be seen at http://www.link-comm.com/controllers/rlc1.htm asking $150.00

4] ICS
Basic Repeater Controller I bought
this also last summer but did not install it. Details can be seen at http://www.ics-ctrl.com/basic.html asking $40.00

So to better
understand the madness on why I own so many repeater controllers and not using
them. I buy and sell on eBAY not as a business but
because I design and build repeaters and remotebase
radio systems for the Ham community and for myself. I just finished building a
new 900 mhz repeater and
currently designing what I call, a **SUPER** Remotebase
system [6 radios including HF] along with a 440 UHF repeater. The ultimate in a
repeater system! These will be my own repeater systems. So I need the cash to complete
these two projects. That’s the bottom line folks.

If no one [on this
Repeater-Builders list and I will **NOT** cross post this info] shows interest
in the above then eBAY shall have my items and the winning
bidder takes all! So make me an offer **I simply cannot refuse** and we’ll
both be happy. If interested PLEASE reply off the list to my email
address at [EMAIL PROTECTED]

Doug W7FDF

Vail, Arizona

927.8500/R

449.925/R

448.450/R

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Re: [Repeater-Builder] maxtrac 800

2005-06-24 Thread Russ Stafford

Try www.batlabs.com
Great place for Motorola.
73 Russ, W3CH

- Original Message - 
From: "eduardo" <[EMAIL PROTECTED]>
To: 
Sent: Friday, June 24, 2005 1:37 AM
Subject: [Repeater-Builder] maxtrac 800


> Hi guys.. i need the schematic diagram of the maxtrac smartnet 
> radio where i can find them???
> 
> 
> 
> 
> thanks in advance






 
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[Repeater-Builder] 1.2 GHz cables on duplexer?

2005-06-24 Thread Velissaris Dimitris











Is RG-223 cable ok for duplexer connections between
rx/tx sides on 1,2 GHz?

Many thanks for propably answers! 

 

Best regards

SV1EDZ

 

Dimitris Velissaris

Technical Support

RadioCommunications Dpt.

ANCO S.A

44 Syngrou Ave

117 42 Athens
- Greece

Tel : +0302109209217

Fax : +302109209345

URL : www.anco.gr

e-mail : [EMAIL PROTECTED]

 

















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[Repeater-Builder] maxtrac 800

2005-06-24 Thread eduardo

Hi guys.. i need the schematic diagram of the maxtrac smartnet 
radio where i can find them???




thanks in advance










 
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Re: [Repeater-Builder] New to GMRS Repeaters