Re: [Repeater-Builder] LDF5-50a

2005-01-18 Thread Stanley Stanukinos
In addition to the top and bottom, you should also do it every 200 ft as well. StanRick - VA3RZS/Charlotte - VA3CMR [EMAIL PROTECTED] wrote: Hello group I am looking for some grounding kits for the LDF5-50A 7/8 Andrews HeliaxI have one allready installed at the top of the coax and was told I

Re: [Repeater-Builder] Back Plane help

2005-01-18 Thread Eric Lemmon
Rick, Please advise the model number of your backplane, stamped in black ink near the top edge. 73, Eric Lemmon WB6FLY Rick - VA3RZS/Charlotte - VA3CMR wrote: Is there a site some where that can help me mod a back plane? This is a Micor VHF back plane. There have been 220 mods done to

[Repeater-Builder] Nostalgia Buffs - Motorola manuals

2005-01-18 Thread Larry Lockard
Going to the trash unless some one would like them. I have acouple of Motorola Manuals for old tube type VHF equipment? Went to old an repeater I had years ago One says "FM Station Receiver" Cat # 68P856835-A. It covers a desktop and rack mount receiver. Second says, THE"RESEARCH"

Re: [Repeater-Builder] Re: [Repeaters] LDF5-50a

2005-01-18 Thread Nate Duehr
Charles Scott wrote: Probably a lot of other things that need to be considered, but the main thing is that you want to protect your equipment. The single point ground approach will do that. Actually the main thing you're protecting in a home installation is your HOUSE - the equipment is

Re: [Repeater-Builder] Re: MSR 2000 Base Station

2005-01-18 Thread Neil McKie
You have any of the 4-user cards from the UHF Community repeater? Neil [EMAIL PROTECTED] wrote: I'm buried with MICOR cards, etc. - more than I can ever use in this lifetime. Can't even hardly give them away! LJ Original Message: - From: Neil McKie [EMAIL

Re: [Repeater-Builder] Re: [Repeaters] LDF5-50a

2005-01-18 Thread Nate Duehr
Paul Holm wrote: Just curious if the dish had been installed with the accepted safety measures for such installations: grounding block at entrance point with heavy wire from the dish to grounding block to a ground rod? Paul Paul, No. It was not. Nate Yahoo! Groups Links * To

Re: [Repeater-Builder] Re: [Repeaters] LDF5-50a

2005-01-18 Thread Paul Holm
Just curious if the dish had been installed with the accepted safety measures for such installations: grounding block at entrance point with heavy wire from the dish to grounding block to a ground rod? Paul - Original Message - From: Nate Duehr [EMAIL PROTECTED] Having seen the

Re: [Repeater-Builder] Re: [Repeaters] LDF5-50a

2005-01-18 Thread Dave Gingrich
On Jan 18, 2005, at 3:24, Nate Duehr wrote: He wasn't home at the time of the strike. It could have easily set his house on fire with no one home. Are you suggesting it could NOT have set fire to the house had he BEEN home? :) Yahoo! Groups Links * To visit your group on the

RE: [Repeater-Builder] Re: Adjacent Channel Noise, how far should it be heard

2005-01-18 Thread Rogers, Ron
That's easyjust wind up about 25-30 feet of RG-174 coax and install that between the 2 watt exciter and the Vocom Amp. That wound up coax will give you about a 3 Db loss at 146 mhz and supply only 1 watt to the amp instead of the 2 watts. Very simple and highly reliable...nothing to

RE: [Repeater-Builder] Re: Adjacent Channel Noise, how far should it be heard

2005-01-18 Thread Mathew Quaife
In deed agree on that. Except I have to get some type N coax connectors. That is what I did for the Motorla amp when it needed .400 ma. But I've changed all that and now needs type N. One of these days trips to the hamfest candy shop. Mathew That's easyjust wind up about 25-30 feet of

[Repeater-Builder] Re: Adjacent Channel Noise, how far should it be heard

2005-01-18 Thread w9mwq
I want to say thanks to all those that replied on this matter, I believe I have it fixed. Found that the deviation had changed and was running at about 6 Khz wide. Not sure why, unless a pot had a dirty spot on it. Everything looked ok on the spectrum analyzer. Someone asked why I was

Re: [Repeater-Builder] Adjacent Channel Noise, how far should it be heard

2005-01-18 Thread Jim B.
Mathew Quaife wrote: Well I have not done any testing at this point as it was brought to my attention just last night. I'm heading to work in a bit, but will be able to check it out tomorrow. I do have a spectrum analyzer, still learning to use it, but with help could figure it out. I will

Re: [Repeater-Builder] Re: Adjacent Channel Noise, how far should it be heard

2005-01-18 Thread Jim B.
Except that RG-174 is NOT 100% shielded, and he is using a duplexer. If it was mounted in a metal box, and the box was grounded to the exciter chassis, it *might* work without causing desense...maybe. -- Jim Barbour WD8CHL Rogers, Ron wrote: That's easyjust wind up about 25-30 feet of

Re: [Repeater-Builder] Re: Mobile Duplexers

2005-01-18 Thread Bob Dengler
At 1/15/2005 12:06 PM, you wrote: skipp025 wrote: Hi Jim, I really don't want to argue with you, but it can be done and I've done it numerous times. It all comes down to a number game (the specs) and a reasonable approach. no6b wrote: I'd like to see the specs on what you've come up with.

RE: [Repeater-Builder] Re: Adjacent Channel Noise, how far shouldit be heard

2005-01-18 Thread Rogers, Ron
Jim: I assumed that a seasoned repeater owner would know to do that as a precaution. But, if the repeater suffers from desense coming from RF at the 1 watt level leaking from a small roll of coax, then the repeater has more serious problems than can be overcome by 1 small shielded box. This

Re: [Repeater-Builder] Antenna Separation

2005-01-18 Thread Bob Dengler
At 1/16/2005 01:06 PM, you wrote: Eric, I stand corrected. It is not a circulator, but a DCI Band Pass Filter. The local radio repair shop I deal with called it a preselector. So it sounds like what I need to due is look for a duplexer for one antenna. The repeater is 15 watts, will do 40, but

RE: [Repeater-Builder] Re: Adjacent Channel Noise, how far shouldit be heard

2005-01-18 Thread Mathew Quaife
I had it on the Motorola just hanging on the side of the cabinet and never had any problems of desence of any kind. All I can do is change the ends and see what happens. Might get lucky. Mathew Jim: I assumed that a seasoned repeater owner would know to do that as a precaution. But, if the

RE: [Repeater-Builder] Digest Number 2924

2005-01-18 Thread tony dinkel
Anybody out there possibly have a schematic scanned for a system 90 single tone add on board for a mitrek control head TLN4526A4? I would settle for just the pinouts but would gladly shoot someone some funds on paypal if you could come up with some scans. Please reply direct. td wb6mie

Re: [Repeater-Builder] Duplex noise/LMR-400 w/sticky stuff?

2005-01-18 Thread Bob Dengler
At 1/17/2005 10:10 AM, you wrote: At 12:59 PM 1/17/2005 -0500, you wrote: Derek, Give the LMR-400 to someone who is not running Duplex. ---I've had very good results using LMR-400 on a relatively low power ( 30) full-duplex UHF link. I just happen to have had a 100' roll of the stuff and

RE: [Repeater-Builder] Re: Adjacent Channel Noise, how far should it be heard

2005-01-18 Thread Mathew Quaife
Actually I used RG-58, ended up with about 150 feet to bring 2 watts to 400ma. Soon as I get the connectors I will try it and see what it does and let you know what the outcome is. Had a lot of techs tell me they never put the cable in a box and it worked just fine for them. But then each

Re: [Repeater-Builder] Re: 220 Repeater

2005-01-18 Thread Bob Dengler
At 1/17/2005 01:07 PM, you wrote: I was getting ready to split a Clegg FM-76. Basically identical to a Midland 13-509. Our club has 2 on the air now have performed well for over 25 years. Recently we did have one problem with one of the RXs: a cold solder joint on the 2nd LO (10.245 MHz)

Re: [Repeater-Builder] Adjacent Channel Noise, how far should it be heard

2005-01-18 Thread Bob Dengler
At 1/17/2005 01:09 PM, you wrote: I had something brought to my attention yesterday on my 2 meter repeater. ABout 15 miles away, I'm being told that my repeater can be heard on the output for about 20 to 25 Khz away. From what I am told, it is not legible, but it's there. The transmitter is

Re: [Repeater-Builder] Re: Adjacent Channel Noise, how far should it be heard

2005-01-18 Thread Mark Holman
How about this ? depending on the size of this coiled coax assembly I would put it in the metal box as Jim mentioned and run a couple of barrel connectors, thru the wall of the box, solder the barrel connector to the box for RF tight seal, and seal the box itself. M. H. - Original

Re: [Repeater-Builder] Re: Duplex noise/LMR-400 w/sticky stuff?

2005-01-18 Thread Bob Dengler
At 1/18/2005 05:37 AM, you wrote: Thanks for all replies. I'll try the dummy load thing with some non- braided cable, like 1/4 inch Heliax jumpers. On a warm day I'll take the 400 down and put the dummy load at the end and try to shake all parts of the cable. I'll bet it's either the strands

RE: [Repeater-Builder] Adjacent Channel Noise, how far should it be heard

2005-01-18 Thread Mathew Quaife
I checked a few of the other big repeaters, and they have just as much side channel noise as mine did. I adjusted the deviation and it's now narrowed down to around 10 kc either side of the transmit frequency, and not as bad as it was. Mathew At 1/17/2005 01:09 PM, you wrote: I had

Re: [Repeater-Builder] Adjacent Channel Noise, how far should it be heard

2005-01-18 Thread Bob Dengler
At 1/17/2005 07:11 PM, you wrote: Mathew, It's definitely not normal. Assuming that the person reporting the problem has the equipment and expertise to accurately determine that your repeater is transmitting a spurious signal, there are three possibilities that come to mind: 1. Your repeater

RE: [Repeater-Builder] Re: 220 Repeater

2005-01-18 Thread Paul Finch
I was wondering if anyone was still using one of those beasts, I am about to start my 220 project and that radio is probably the on I can have on the air the fastest. Paul WB5IDM -Original Message- From: Bob Dengler [mailto:[EMAIL PROTECTED] Sent: Tuesday, January 18, 2005 2:52 PM To:

Re: [Repeater-Builder] Re: 220 Repeater

2005-01-18 Thread DCFluX
I am intrested in the conversion procedure for the squelch, I am not happy with the audio quality of the midland as well. I was working on a new squelch board my self but too busy to sit down and build it then write the software. On Tue, 18 Jan 2005 16:03:17 -0600, Paul Finch [EMAIL PROTECTED]

Re: [Repeater-Builder] Re: 220 Repeater

2005-01-18 Thread Lance
I'm setting up two of them as link radios for my 2-meter repeater. I also use a couple of them mobile to access my 220 repeater. Also loaned 3 of them to friends so they can use the repeater. They are inexpensive (if you can find them) and they still work fine! Lance WN0L - Original