Re: [Repeater-Builder] Re: Flat Audio

2007-03-16 Thread Milt
Remembering of course that a PURC station was designed for PAGING service... If you have ever had to set levels in a paging or fire dispatch system that used the very low end tones just above the PL range you know real fast why the flat audio board was created. Milt N3LTQ - Original

Re: [Repeater-Builder] Amateur-Grade Radios (Was: Fixed Audio)

2007-03-16 Thread Milt
There is a big difference between the Micor or Mastr II station that was factory built for a specific frequency or group of frequencies and an inexpensive mass marketed radio that is built by the thousands on a production line. Same thing as what a paging system operator told me about an early

[Repeater-Builder] New Member

2007-03-16 Thread Larry Wagoner
Howdy folks ... I am Larry (N5WLW) and I am interested in repeaters and repeater construction. I am vice-president of the local amateur radio group I will be interested in what I can learn. Thanks. Larry N5WLW

Re: [Repeater-Builder] Re: ICM Crystals Off Frequency? (More MSR-2000 stories)

2007-03-16 Thread George Henry
Glad to be of help! I have some UHF 5PPM 1088A's which also work in the VHF Mitreks and MSR2000's (just one less tripler stage in the exciter)... $3.00 each plus a token amount for shipping, if you're interested. George, KA3HSW / WQGJ413 -Original Message- From: Robin Midgett

[Repeater-Builder] Re: Icom repeater parts?

2007-03-16 Thread ensemble953039
--- In Repeater-Builder@yahoogroups.com, Tedd Doda [EMAIL PROTECTED] wrote: Hi Guys: A couple weeks ago, I asked whether anyone had a spare internal harness for an IC-RP4020 UHF repeater. I found a VHF unit and used it as parts. After all the work of changing the wires around, I find

Re: [Repeater-Builder] Mastr III

2007-03-16 Thread Jim B.
Fred Flowers wrote: Eric, I understand all that. Any of them will have the shelf, the TX RX, system module. Beggars can't be choosers. I can get started with about anything. Fred They're not all the same. There have been several different tx and rx synth modules especially, and the LBI

Re: [Repeater-Builder] Amateur-Grade Radios (Was: Fixed Audio)

2007-03-16 Thread Jim B.
mch wrote: OK. Let me approach this from another angle. What is the deviation on your system that is not the standard 5.0 kHz or so (running 16K0F3E)? Joe M. Deviation has nothing to do with it. He was talking about the minimum channel step resolution, which is a function of the

Re: [Repeater-Builder] RF Sampler

2007-03-16 Thread FHS
Bird Also makes an external sampler, Model 4275, with a BNC connector on the side . This is rated 20 MHz to 1 GHz. Fred Seamans - Original Message - From: Fred Flowers To: Repeater-Builder@yahoogroups.com Sent: Thursday, March 15, 2007 9:34 PM Subject: RE:

[Repeater-Builder] in need of

2007-03-16 Thread Joel
Hello group I am in need of a 10 volt reg card for a ge station if anyone wants to part with a extra one contact me off list at [EMAIL PROTECTED] dot com thanks kj4si Joel

Re: [Repeater-Builder] Motorola MOTOTRBO

2007-03-16 Thread Paul Metzger
Any results yet Glenn? Paul Metzger K6EH On Mar 2, 2007, at 07:41, [EMAIL PROTECTED] wrote: Not sure about using it on the ham bands but we did just receive our demo. I have it all programmed and will be installing the repeater later today. Anxious to see how it plays. I try to post

[Repeater-Builder] Motorola fixed ctcss level

2007-03-16 Thread skipp025
Re: Motorola fixed ctcss level Motorola likes the 600 to 700 Hz ctcss deviation level. One cute trick to use for setting re-rocked MSR (and probabaly Micor) tx channel elements is to target the above mentioned ctcss 650 Hz level as your initial ctcss deviation channel element start or

[Repeater-Builder] Amateur Radio Grade Equipment

2007-03-16 Thread Paul Metzger
I myself have pretty much given up on Amateur Grade Equipment all together. It doesn't matter who makes it, they all have relaxed their standards. It all started when I purchased a Yaesu VX-7R. After taking it home, I looked at it on an IFR-1200 service monitor (which I've never done to an

Re: [Repeater-Builder] Amateur Radio Grade Equipment

2007-03-16 Thread Jay Urish
You answered your own question.. the vx-7 is a junk toy radio. What do you expect? Try an ft-60 or maybe one of those vx-177 monobanders Paul Metzger wrote: I myself have pretty much given up on Amateur Grade Equipment all together. It doesn't matter who makes it, they all have relaxed

Re: [Repeater-Builder] Amateur Radio Grade Equipment

2007-03-16 Thread Jim B.
Oh, and one last comment, most every Amateur Radio potable is unable to do split Tone PL's. One Tone PL for TX and another Tone PL for RX. I don't know why that is so. It would just take a little extra code writing, but what do we expect, It's Amateur Radio Grade Equipment. Paul

Re: [Repeater-Builder] Amateur-Grade Radios (Was: Fixed Audio)

2007-03-16 Thread Jim B.
James wrote: Yes, thank you Jim .. I did say channel steps not spacing. 2.5 Khz channel step tends to go with 12.5 KHz channel spacing. 7.5 Khz is a form of ultra narrow that I have yet to use for anything. James If you do anything in the commercial spectrum from about 150 to 175 Mhz,

Re: [Repeater-Builder] Amateur Radio Grade Equipment

2007-03-16 Thread Bob Dengler
At 3/16/2007 10:44 AM, you wrote: I myself have pretty much given up on Amateur Grade Equipment all together. It doesn't matter who makes it, they all have relaxed their standards. It all started when I purchased a Yaesu VX-7R. After I feel the same way, except that in most cases commercial

Re: [Repeater-Builder] Amateur-Grade Radios (Was: Fixed Audio)

2007-03-16 Thread Chuck Kelsey
And that's it in a nutshell. Those commercial rigs cost considerably more than the ham rigs. And we expect to pay only a couple hundred bucks for our ham stuff. Chuck WB2EDV - Original Message - From: Milt [EMAIL PROTECTED] To: Repeater-Builder@yahoogroups.com Sent: Friday, March 16,

[Repeater-Builder] Coax for cabinet and for feedline - other than hardline

2007-03-16 Thread kc7ght
Gentlemen, Is LMR-400 a good coax to use for my 70cm repeater feedline. My feedline is 130 feet long and located at my house. Should I really go to hardline and replace my LMR-400 feedline? If so what diameter? Will it really be worth the cost and trouble to run it through my attic and into

Re: [Repeater-Builder] Coax for cabinet and for feedline - other than hardline

2007-03-16 Thread Bob Dengler
At 3/16/2007 01:12 PM, you wrote: Gentlemen, Is LMR-400 a good coax to use for my 70cm repeater feedline. No. I would like to keep my new Daiwa CN-801 (UHF connectors) SWR Power meter in the Tx line permanently. Is this a good idea? It is No; the power sensing diode may generate IMD. I am

[Repeater-Builder] IMD from diode power sensors.

2007-03-16 Thread skipp025
I would like to keep my new Daiwa CN-801 (UHF connectors) SWR Power meter in the Tx line permanently. Is this a good idea? It is No; the power sensing diode may generate IMD. The IMD problem seems to happen very dependent on the sampler type and location. After talking with some of the gang

[Repeater-Builder] RF Sampler source

2007-03-16 Thread John J. Riddell
Ridge Equipment, Eldersburg, Md, has an excellent RF sampler, made by Microlab model FXR adjustable signal sampler, 50 Mhz - 12 Ghz. 50 ohms, insertion loss 0.2 Db Silver plate finish It has an N female and N male on the through port and an adjustable pick-up link with a BNC on that port. I

Re: [Repeater-Builder] Coax for cabinet and for feedline - other than hardline

2007-03-16 Thread Andrew G.
Is LMR-400 a good coax to use for my 70cm repeater feedline. My feedline is 130 feet long and located at my house. Should I really go ?to hardline and replace my LMR-400 feedline? If so what diameter? Will it really be worth the cost and trouble to run it through my attic and into my house?

Re: [Repeater-Builder] Coax for cabinet and for feedline - other than hardline

2007-03-16 Thread Chuck Kelsey
Save yourself some grief and keep all LMR cable out of any of your repeater installation. Chuck WB2EDV - Original Message - From: kc7ght [EMAIL PROTECTED] To: Repeater-Builder@yahoogroups.com Sent: Friday, March 16, 2007 4:12 PM Subject: [Repeater-Builder] Coax for cabinet and for

RE: [Repeater-Builder] Coax for cabinet and for feedline - other than hardline

2007-03-16 Thread Eric Lemmon
Joe, Re the LMR-400 coax: No, due to dissimilar-metal issues. Use RG-142B/U or RG-400/U for in-cabinet wiring. Re the Daiwa: No, due to potential IMD and losses in the UHF (gasp!) connectors. Re the Diamond antenna: No, due to quality difference between it and a commercial-grade antenna.

[Repeater-Builder] ACC RC-850 For Sale on Ebay

2007-03-16 Thread Ray
There are 2 RC-850's on Ebay for sale. 180096197606 220092512332 Ray K9RI

[Repeater-Builder] Uhf Micor Receivers

2007-03-16 Thread gervais
hi all i have 2 Uhf Micor Receivers that i just dismantle from a Micor Repeater, there were in the 414.6250 mhz i think the parts number is TLE8821ABR or ADR ,,,it is badly stamped on the board,the channel element are there i would trade them for 1 Vhf receiver TLD8272B you can find me here

RE: [Repeater-Builder] Amateur-Grade Radios (Was: Fixed Audio)

2007-03-16 Thread Eric Lemmon
Bob, I have two DR-605T radios, and both have one pot, VR204, which adjusts the combined voice plus tone levels going to the modulator. It is not possible to adjust the CTCSS tone level independently. However, I padded down the tone levels, upstream of this pot, on both radios to about 600 Hz