[Repeater-Builder] Re: Matching a 75 ohm antenna

2007-12-23 Thread sgreact47
Bob, those 1/12 wave lenths are prety short, I figuerd (in my head) about 6" for 2 meter ham band. That may be hard to make, and to test. Did Puff give any dimentions? Making Skipp's transformer/line section may be easier, but with N male and Fe connectors. It should fit inside the support pipe

Re: [Repeater-Builder] Re: 10 meter desense help, split site, high noise floor.

2007-12-23 Thread Paul Plack
Where this runs into issues is the question of "spirit of the law." The rules for aux operation started many years ago, and envisioned individual licensees operating remote stations by remote control, on a somewhat secure basis. Indiscriminately opening an aux HF station to a community of users

Re: [Repeater-Builder] Re: 10 meter desense help, split site, high noise floor.

2007-12-23 Thread JOHN MACKEY
So if the transmit offset for a CB radio was overcome, and converting from AM to FM for a CB radio was overcome, adding CTCSS is a simple issue that will be easily overcome. The problem with your idea of "I'd just rather shut the repeater down during band openings" is that plan just never seems t

[Repeater-Builder] Re: 10 meter desense help, split site, high noise floor.

2007-12-23 Thread Brian Romine
I would have to agree with Keith WE6R, the FCC has been on a roll here lately re-banding several different frequency bands, why not reband the 10m band to accomodate more repeater pairs? One thing some people seem to be missing in this thread... at least I haven't seen anyone else mention it...

[Repeater-Builder] Re: 10 meter Repeater bandplan, National Coordination, 100KHz splits etc

2007-12-23 Thread rrath
> Create a "Help Save The 10M Repeaters" group and take up some > donations. You only need about $1500 and you "give" one to all the > repeater owners that don't have tone a unit. > > Start off with a nice letter to the owners (without tone) explaining > the problem and how they can get their

Re: [Repeater-Builder] Re: 10 meter Repeater bandplan, National Coordination, 100KHz splits etc

2007-12-23 Thread Paul Plack
Dwayne, I'd bet the bigger hurdle would be convincing the users to adapt all those individual radio to add tone encoders. There's a lot of ancient hardware in use on 10m. "You can take my converted CB when you pry it from my cold, dead fingers," etc. 73, Paul, AE4KR - Original Message -

Re: [Repeater-Builder] Re: 10 meter desense help, split site, high noise floor.

2007-12-23 Thread Paul Plack
John, The old HyGain AM/CB to FM/10m conversions were a snap to set up for 100 kHz offsets - a switch and a second TX offset crystal, or a diode-matrix or EPROM which subtracted "10" from the divider chain instruction when PTT went low. My SMC (a British CB that came already converted for 10 FM

[Repeater-Builder] Master 2 and DCS

2007-12-23 Thread gervais
HI all well i womder if someone outhere ever install an DCS tone board into a master 2??? replacing the standard encore-decode board i want to switch my M2 to Digital coding thanks for the help Merry christmas gervais ve2ckn

Re: [Repeater-Builder] MASTR II PL Not Working

2007-12-23 Thread DCFluX
Did you ground the hang-up lead? On 12/23/07, de W5DK <[EMAIL PROTECTED]> wrote: > > Brian, > > You described it as "not decoding" but then say the audio is "routed > around the PL board".? > > > > So with the decoder installed can you roll the squelch open and still hear > the speaker? If so

RE: [Repeater-Builder] MASTR II PL Not Working

2007-12-23 Thread de W5DK
Brian, You described it as "not decoding" but then say the audio is "routed around the PL board".? So with the decoder installed can you roll the squelch open and still hear the speaker? If so the decoder is not getting a signal to RX mute. Just to the right of where the decoder plugs

RE: [Repeater-Builder] RPT Antenna trimming -Length to RX or TX freq?

2007-12-23 Thread Barry C'
Of course you start long , kinda hard to add some at 300 ft. To: Repeater-Builder@yahoogroups.com From: [EMAIL PROTECTED] Date: Sun, 23 Dec 2007 15:48:35 -0800 Subject: Re: [Repeater-Builder] RPT Antenna trimming -Length to RX or TX freq? I vote for the TX fr

Re: [Repeater-Builder] RPT Antenna trimming -Length to RX or TX freq?

2007-12-23 Thread TGundo 2003
I vote for the TX freq. Peter P J <[EMAIL PROTECTED]> wrote: Our new Diamond F22 antenna elements to be trimmed as per the enclosed cutting chart for the 145.650 with -600 shift. What length is best from the cutting chart is in doubt. Whether it should be the length for the Tx freq-145.650 or

Re: [Repeater-Builder] MASTR II PL Not Working

2007-12-23 Thread k1ike_mail
I've made that mistake before! Drove me crazy until I finally figured it out. Joe -- Original message -- From: Jim Brown <[EMAIL PROTECTED]> > Here is a thought - I got caught on this once upon a > time - the dip switches on the CTCSS board have to be > OFF in the

[Repeater-Builder] Re: 10 meter Repeater bandplan, National Coordination, 100KHz splits etc

2007-12-23 Thread ldgelectronics
Keith, Those are all good ideas. Don't forget there are 10M repeaters outside of the US also use the same bandplan. Instead or writing to the coordinators, write to the repeater owners and try to get everyone on the same page. Just crunching some numbers. There are about 100 10M repeaters in

Re: [Repeater-Builder] Re: 10 meter desense help, split site, high noise floor.

2007-12-23 Thread JOHN MACKEY
Bob- You are probably correct that the FCC would suggest it be left to coordination. But that has been the plan for the last 25 years, and we see that it is a failure. I few dim-wits refusing to use CTCSS spoil it for everyone. -- Original Message -- Received: Sun, 23 Dec 2007 10:40:11 A

Re: [Repeater-Builder] Re: 10 meter desense help, split site, high noise floor.

2007-12-23 Thread JOHN MACKEY
It seems that someone once told me that in the early days of 10 meter FM the first repeaters were all 29.60 input and 29.69 output, this allowed for people to only need an additional receive channel if they already operated simplex. -- Original Message -- Received: Sun, 23 Dec 2007 01:34:3

Re: [Repeater-Builder] 10 meter Repeater bandplan, National Coordination, 100KHz splits etc

2007-12-23 Thread JOHN MACKEY
These two comments below are the probably the truest words ever spoken regarding 10 meter FM repeaters. -- Original Message -- Received: Sun, 23 Dec 2007 11:57:49 AM CST From: "kb1we6r" <[EMAIL PROTECTED]> > 1. I just remember how much fun it was when the band was open working > numerous

Re: [Repeater-Builder] Re: 10 meter repeater operations

2007-12-23 Thread Jim Brown
I remember working through one in Boston that said it was running a full KW several years ago. 73 - Jim W5ZIT --- skipp025 <[EMAIL PROTECTED]> wrote: > For a short time it's very interesting to hear a > quarter kilowatt > repeater in one location across the country compete > with another > fi

Re: [Repeater-Builder] Re: 10 meter desense help, split site, high noise floor.

2007-12-23 Thread JOHN MACKEY
Comm-spec even gives instructions on how to make CTCSS work on AM CB radios! Really, 10 FM radios are so plentiful, that uncertainty regarding how well a converted CB would work with CTCSS is not practical. Besides, I'll bet the bigger technical challenge would be to get a converted CB to do 100K

Re: [Repeater-Builder] MASTR II PL Not Working

2007-12-23 Thread Jim Brown
Here is a thought - I got caught on this once upon a time - the dip switches on the CTCSS board have to be OFF in the indicated positions to decode the tone you want - not ON as you would expect. 73 - Jim W5ZIT --- Brian Romine <[EMAIL PROTECTED]> wrote: > Ok here's the deal, have a MASTR II St

RE: [Repeater-Builder] RPT Antenna trimming -Length to RX or TX freq?

2007-12-23 Thread John Barrett
TX - you want minimum reflected power - minimum feeding back into the RX side :-) _ From: Repeater-Builder@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Peter P J Sent: Saturday, December 22, 2007 11:51 AM To: Repeater-Builder@yahoogroups.com Subject: [Repeater-Builder] RPT An

Re: [Repeater-Builder] 10 meter Repeater bandplan, National Coordination, 100KHz splits etc

2007-12-23 Thread MCH
Only bother with the first group. The second is not supported nationally despite tehir claims. There are many 'members' who don't even know they are members and did not vote for the current 'officers' (who are all self-appointed). Although I will tell you that this issue has historically been dism

[Repeater-Builder] Re: 10 meter desense help, split site, high noise floor.

2007-12-23 Thread John Burningham
I would recommend first using a spectrum analyser at the TX site to make sure the TX is not generating the noise. If you see the noise at the TX site, determine if internal to the TX or external. If the site is clean proceed to the RX site. At the RX site, check with a spectrum analyser to see

[Repeater-Builder] Standard Communications UHF repeater - Model RPT-20

2007-12-23 Thread n2ova
looking for a Service Manual for the Standard Communications UHF repeater - Model RPT-20

[Repeater-Builder] Try Again - - MASTR II CG help

2007-12-23 Thread Brian Romine
I tried to post this a few days ago, and it has not shown up on the list of messages as of yet so I will try again. I have a MASTR II Station converted into a Repeater everything appears to work fine with one exception. Any time I try to use either a 19D432500G3 REV C CG Decoder board (I have

[Repeater-Builder] RPT Antenna trimming -Length to RX or TX freq?

2007-12-23 Thread Peter P J
Our new Diamond F22 antenna elements to be trimmed as per the enclosed cutting chart for the 145.650 with -600 shift. What length is best from the cutting chart is in doubt. Whether it should be the length for the Tx freq-145.650 or for 145.050-the Rx? Peter VU2PJP

[Repeater-Builder] Pager Antenna-Possible to convert for 145Mhz?

2007-12-23 Thread Peter P J
Recently I got one Celwave antenna from junk market, with 3inch dia., thick long aluminum pipes as mast and many folded dipoles inter connected with thick coax-may be harness. Total length may be more than 20 feet. Heavy flanges and rubber pads in a kit. I am sure our expert supporters can sugg

[Repeater-Builder] TNX-RPT.BLDER! Our RPT now sounds fine NOW!.

2007-12-23 Thread Peter P J
Our VHF Repeater-VU2BCM located at a height of 4000feet MSL with a coverage of 200km radius in the plains down, was having so many problems after the shifting to a new QTH nearby. The equipment is an old Yaesu FTR 2410 ( Pl. do not laugh at us!) with 4 cavity Wacom duplexer on 145.650 -ve shift.

[Repeater-Builder] MASTR II PL Not Working

2007-12-23 Thread Brian Romine
Ok here's the deal, have a MASTR II Station converted to repeater operation, with the 19D432500G1 dip switch programmable PL Encode / Decode board. I cannot get this to decode a properly encoded PL signal, I have tried three other 19D432500G3 Rev C Decode only boards and they also will not dec

[Repeater-Builder] HELP! KENWOOD TKR 720-low Rx sensitivity.

2007-12-23 Thread Peter P J
We have a standby Repeater Kenwood TKR 720, whenever we replace this to our old Yaesu FTR 2410 the outer foot prints are lost and no access to weak station even at the lowest power of 15watts. The equipment is very less used. Came to us as a new one. No mods done. How about connecting a separat

[Repeater-Builder] 10 meter Repeater bandplan, National Coordination, 100KHz splits etc

2007-12-23 Thread kb1we6r
Since I instigated it, I thought I would start a new thread. There seems to be a lot of interest in this, but lets keep it calm and POSITIVE, and if a moderator wants to shut it down, fine. 1. I just remember how much fun it was when the band was open working numerous FM repeaters at the same t

[Repeater-Builder] Re: 10 meter desense help, split site, high noise floor.

2007-12-23 Thread Jeff Kincaid
A lot of that comes from the guys that insist on running carrier access. Just because it works when the band is dead doesn't make it OK in my book. Jeff > As it is, with only four 10-Meter repeater frequencies available, > they're all unusable howling messes when the band is open. > LJ

[Repeater-Builder] Re: 10 meter desense help, split site, high noise floor.

2007-12-23 Thread Jeff Kincaid
That sounds like a great way to cause massive, worldwide interference problems when the sunspots return. But hey, you can petition the FCC for it and see what happens if you'd like. 'JK --- In Repeater-Builder@yahoogroups.com, Johnny <[EMAIL PROTECTED]> wrote: > > I know it may sound to simple

[Repeater-Builder] Re: 10 meter repeater operations

2007-12-23 Thread skipp025
For a short time it's very interesting to hear a quarter kilowatt repeater in one location across the country compete with another fire-bottle machine many thousands of miles away, which includes a box or two outside the US. Of course a few of them are not using ctcss. cheers, s. > "Paul

Re: [Repeater-Builder] Re: 10 meter desense help, split site, high noise floor.

2007-12-23 Thread no6b
At 12/23/2007 03:56, you wrote: >I'm not sure more 10m pairs are really needed. When the band is open, 50 >pairs would all have heterodynes. I disagree. Thinning out the current density by a factor of 5 would solve a lot of problems, & given the difficulty in constructing a working 10 meter s

Re: [Repeater-Builder] Re: 10 meter desense help, split site, high noise floor.

2007-12-23 Thread no6b
At 12/23/2007 00:48, you wrote: >It would be nice if we could also work in to the rulemaking a requirement for >10 meter repeaters to be CTCSS or digital access for every transmission. Although this would be very desirable, I doubt the FCC would write it into Part 97. It typically leaves such d

[Repeater-Builder] Re: 10 meter desense help, split site, high noise floor.

2007-12-23 Thread skipp025
So for a realistic solution you need to place some form of tight pre-selection in front of the receiver. Cavities might be possible but not practical. I'm not sure if they're cost effective to buy but for an Amateur Radio 10 Meter Repeater Project but... piezo (crystal) filters for 30 MHz are

RE: [Repeater-Builder] Duplexer help

2007-12-23 Thread Eric Lemmon
Jack, Contact Sinclair Tech Support for guidance. Go here: Some Res-Lok duplexers are problematic when attempting to move them to a new split, because the coupling between cavities is via a machined slot rather than an external jumper. Dunno if yours is like that. When you call Sinclair, hav

[Repeater-Builder] Duplexer help

2007-12-23 Thread Jack Davis
I have a Sinclair ResLock 900 MHz duplexer that I am trying to retune to 902-927 MHz. It was on 941.XX with a 3.6 MHz split and the pass cavities tune up just fine but the notches do not make it to the 25 MHz split. Has anyone made one of these work in the 25 MHz split used in the Ham band? I co

Re: [Repeater-Builder] Re: 10 meter desense help, split site, high noise floor.

2007-12-23 Thread Paul Plack
I'm not sure more 10m pairs are really needed. When the band is open, 50 pairs would all have heterodynes. When the skip closes down, few hams use 10 FM locally. 73, Paul, AE4KR - Original Message - From: [EMAIL PROTECTED] To: Repeater-Builder@yahoogroups.com Sent: Saturday,

Re: [Repeater-Builder] Re: 10 meter desense help, split site, high noise floor.

2007-12-23 Thread Paul Plack
John, I think CTCSS should remain voluntary. I'm not sure how well it would work with my CB conversion. I'd love, though, to get rid of "remote bases" on distant UHF and VHF repeaters indiscriminately spilling local chatter out on 10 FM during band openings. Nothing like having your contact wit

Re: [Repeater-Builder] Re: 10 meter desense help, split site, high noise floor.

2007-12-23 Thread JOHN MACKEY
It would be nice if we could also work in to the rulemaking a requirement for 10 meter repeaters to be CTCSS or digital access for every transmission. -- Original Message -- Received: Sat, 22 Dec 2007 11:45:13 PM CST From: [EMAIL PROTECTED] To: Repeater-Builder@yahoogroups.com Subject: Re:

[Repeater-Builder] Re: Wow!!! only $449!!!!

2007-12-23 Thread sgreact47
> http://tinyurl.com/2ey9y2 > Wow that brings memories. Oh how many of them did I work on? More like the mid 1950's to the early 60's. Very good radios.