[Repeater-Builder] GE MLS To Controller

Hi Group anyone using a GE MLS as a link radio or anything else repeater related I need a pinout of the radio to a controller. Which pin on the mike plug goes where, Thanks Randy

RE: [Repeater-Builder] GE MLS To Controller

Randy, Although the MLS is nice radio, the fact that it is programmed with a PROM makes it a bit inconvenient to use. The rear connector pinout is on page 14 of 16 (LBI page 10) in LBI-31764A, available here: All of the MLS (aka MLS I) LBIs are available in the LBI Master Index, although some

Re: RE: RE: RE: RE: Re: Re: RE: [Repeater-Builder] Re: Duplexers

Gary, Yes the HP meter was spec'd to go below below 0.5 MHz, it went down to 100 kHz. I don't know where the confusion is...all coax and feedline has a upper and lower freq limit. Might try to learn something about this. I know about low freq RF. Worked on a Navy program that used 18 kHz, a C

Re: RE: [Repeater-Builder] Wal Mart effect makes it to the Communications Hard (feed)-Line industry

Paul, I have a DB224 at 1175 ft above ground 1/2 mile from the Gulf of Mexico here in FL. Put up in 1996 and it is having serious problems, 2:1 SWR on the ground. Think it is the salt air. The connections, on antenna and connectors, were coated and sealed before install. Other services with

RE: [Repeater-Builder] GE MLS To Controller

Eric, Randy and all, I had scanned a near perfect MLS LBI that had notes for connections when used for a link radio. I forwarded them to John N5NWC and he sent them to Kevin. I think I had sent you a copy also Eric. I'll resend them and to you also Randy if you send me an address. Mycall at myc

[Repeater-Builder] DB224 Survival in Florida

Paul, Eleven years in a salt-air and lightning-prone environment is pretty darn good! I daresay the Super Stationmaster would not last that long. Fiberglass vertical antennas can be permanently damaged when struck by lightning, whereas the aluminum dipoles might shrug off such abuse. At least, t

Re: [Repeater-Builder] Re: subaudibe tones..

At 8/29/2007 09:46, you wrote: >[EMAIL PROTECTED] wrote: > > >> If you "push" that all repeaters in an area run the same tone, and > >> then some doofus comes along and his lashed up mess of a couple of > >> mobiles and a mobile duplexer hooked up with RG-8X and it starts > >> opening itself... he'

Re: [Repeater-Builder] Wal Mart effect makes it to the Communications Hard (feed)-Line industry

At 8/31/2007 10:02, you wrote: >Along with that question, is the banned aluminum coax the old unjacketed >stuff like the CATV folks use, or is that any aluminum coax? I'm thinking I think it was any aluminum-shielded hardline. Bob NO6B

Re: [Repeater-Builder] [Fwd: DStar Channel Spacing]

At 8/31/2007 11:18, Nate Duehr wrote: >FYI. > >Cross-posting to IllinoisDigitalHam list and Repeater-Builder list from >the [EMAIL PROTECTED] list. > >Thoughts folks? > >Thanks to Mark N5RFX for doing real testing. Thanks Nate. This is most informative. Now if you throw in the added benefit of

RE: [Repeater-Builder] Wal Mart effect makes it to the Communications Hard (feed)-Line industry

At 8/31/2007 14:38, you wrote: >If aluminum were banned from most sites there would not be many systems on >the air. It s only when Not aluminum altogether but just aluminum-shielded hardline. Bob NO6B

Re: Re: [Repeater-Builder] [Fwd: DStar Channel Spacing]

Would these frequencies be in violation of FCC. I am thinking aux freq must be in same band segments as repeaters or am I missing something. Also if part of a repeater would have to be. 145.5000-146. are not repeater freqs, input or output. 73, ron, n9ee/r >From: [EMAIL PROTECTED] >Dat

Re: [Repeater-Builder] DB224 Survival in Florida

Eric, We have pretty much determined the feedline is ok since the VHF is shared with a UHF system and the UHF is fine. It still could be the crossband coupler at the top. However, we have seen a number of exposed dipole antennas eaten with the salt air, many in 5-6 years. Mostly ones less tha

Re: [Repeater-Builder] Fwd: ARLB019 ARRL Continues Efforts On Interference To PAVE PAWS Radar Sites

This brings a thought to mind. The Department O Defense states that PAVEPAWS is vital to our defense and that the operation of our repeaters is causing that system to fail. The Devils Advocate in me begs the question, Do they think the bad guys don't know this!! Is it not ludicrous to place the

[Repeater-Builder] Ramsey COM3010 Service Monitor Opinions

I am seriously thinking of purchasing a Ramsey COM3010 Service Monitor for my home bench and was wondering if anyone else on the list is familiar with this, owns one or has worked with one. I would love to hear the pros and cons on this product before taking the 4K plunge. Thanks in advance

RE: [Repeater-Builder] DB224 Survival in Florida

Ron, I apologize for addressing my response to Paul instead of to you. The installation of any metal other than bronze or stainless steel in a salt-rich environment is always problematic. I am using two DB-224 dipole antennas at some inland sites, and they are weathering quite well. However, I

Re: [Repeater-Builder] Ramsey COM3010 Service Monitor Opinions

The major complaint that I have heard about it is the lack of a 'scope... - Original Message - From: Vincent Caruso To: Repeater-Builder@yahoogroups.com Sent: Saturday, September 01, 2007 11:46 AM Subject: [Repeater-Builder] Ramsey COM3010 Service Monitor Opinions I am s

Re: [Repeater-Builder] Ramsey COM3010 Service Monitor Opinions

Agreed, thats the only thing holding me up from taking the plunge. George Henry wrote:  The major complaint that I have heard about it is the lack of a 'scope... - Original Message - *From:* Vincent Caruso *To:* Repeater-Builder@yahoogr

Re: [Repeater-Builder] Wal Mart effect makes it to the Communications Hard (feed)-Line industry

Ron Wright wrote: > When I replace my DB224 I am going to a SuperStation Master fiber glass pole. > It is obvious the exposed dipoles have a survival problem in this salt air. Have you looked at the heavy-duty Sinclair folded-dipoles? They seem better built than the DB's. 10 years is startin

RE: RE: RE: RE: RE: Re: Re: RE: [Repeater-Builder] Re: Duplexers

> I don't know where the confusion is...all coax and feedline > has a upper and lower freq limit. Might try to learn > something about this. If what you say is true, can you tell me, using sound engineering and math, why you can carry DC on coax if it has a low-frequency cutoff?

Re: [Repeater-Builder] Re: subaudibe tones..

[EMAIL PROTECTED] wrote: > At 8/29/2007 09:46, you wrote: >> [EMAIL PROTECTED] wrote: >> If you "push" that all repeaters in an area run the same tone, and then some doofus comes along and his lashed up mess of a couple of mobiles and a mobile duplexer hooked up with RG-8X and it sta

RE: [Repeater-Builder] Wal Mart effect makes it to the Communications Hard (feed)-Line industry

> > When I replace my DB224 I am going to a SuperStation Master > fiber glass pole. It is obvious the exposed dipoles have a > survival problem in this salt air. > > Have you looked at the heavy-duty Sinclair folded-dipoles? They seem > better built than the DB's. > > 10 years is starting to

RE: [Repeater-Builder] Re: Duplexers

What size wire does it take to be self supporting at that length? 'JK --- In Repeater-Builder@yahoogroups.com, Ron Wright <[EMAIL PROTECTED]> wrote: > >... a C130 aircraft with 30,000 ft of wire hung out the back...

RE: [Repeater-Builder] Re: subaudibe tones..

> > Sorry, I just assumed that a repeater coordinator's > technical standards > > would be a bit above the "mess" you describe above. I know > we (TASMA) > > wouldn't coordinate such a system. > > > > Bob NO6B > > You guys have control of the quality level of the equipment used when > issui

Re: [Repeater-Builder] Re: subaudibe tones..

And how would that eliminate the interference? Sure, it would mask it, but it would still be there. So, is it better knowing about a problem so you can fix it or 'live in ignorant bliss'? CTCSS/CDCSS is not a solution for interference. Joe M. Nate Duehr wrote: > > I just said someone (typical

Re: [Repeater-Builder] [Fwd: DStar Channel Spacing]

[EMAIL PROTECTED] wrote: > At 8/31/2007 11:18, Nate Duehr wrote: >> FYI. >> >> Cross-posting to IllinoisDigitalHam list and Repeater-Builder list from >> the [EMAIL PROTECTED] list. >> >> Thoughts folks? >> >> Thanks to Mark N5RFX for doing real testing. > > Thanks Nate. This is most informative.

Re: [Repeater-Builder] Ramsey COM3010 Service Monitor Opinions

Vince, You may want to investigate getting into an IFR-1200S service monitor for about the same amount of money. I picked one up on E-Bay for $3750.00 some time ago. Also look at: http://www.kgelectronics.com/ He used to work for IFR and repairs / sells them. If he doesn't have what you wan

RE: [Repeater-Builder] Re: Duplexers

On the E-4 aircraft we delivered to the Air Force, the wire was about 1/4 inch at the aircraft end and tapered down to around 1/8 inch at the drogue at the far end. (to keep the wire from whipping around in the slipstream). We could never deploy the wire over the US, but had to go down to the

Re: [Repeater-Builder] [Fwd: DStar Channel Spacing]

It's like using burst for repeater access - the burst tone opens up the repeater and anyone can use it until it resets. D-STAR is using the same concept. Once the repeater is open, anyone can use it until it sees a new header with a different repeater ID. Correct? Joe M. Nate Duehr wrote: > > [

RE: [Repeater-Builder] Ramsey COM3010 Service Monitor Opinions

Vince, I agree with Don's comment. I looked at the COM3010 specs, and watched the Ramsey video, and I conclude that it is a very basic, no-frills unit that might (I can't say will!) satisfy a first-time buyer's expectations. On the other hand, if you already have used an IFR, H-P, Motorola, o

Re: Re: [Repeater-Builder] [Fwd: DStar Channel Spacing]

At 9/1/2007 09:18, you wrote: >Would these frequencies be in violation of FCC. I am thinking aux freq >must be in same band segments as repeaters or am I missing something. No. >Also if part of a repeater would have to be. 145.5000-146. are not >repeater freqs, input or output. They are

Re: [Repeater-Builder] Re: subaudibe tones..

At 9/1/2007 11:25, you wrote: >[EMAIL PROTECTED] wrote: > > At 8/29/2007 09:46, you wrote: > >> [EMAIL PROTECTED] wrote: > >> > If you "push" that all repeaters in an area run the same tone, and > then some doofus comes along and his lashed up mess of a couple of > mobiles and a mobi

Re: [Repeater-Builder] [Fwd: DStar Channel Spacing]

At 9/1/2007 12:14, Nate Duehr wrote: >Bob, since the discussion has been happening on the D-Star list >([EMAIL PROTECTED]) -- many people on the RB list and maybe >IllinoisDigitalHam may not be aware that there's been some investigation >into how D-Star repeaters that are co-channeled behave. > >Y

Re: Re: [Repeater-Builder] [Fwd: DStar Channel Spacing]

I really do not see a problem with D-Star repeaters existing with analog as long as D-Star follows the analog band plans set forth by the repeater councels. D-Star is narrow bandwidth and for this reason see they can put more repeaters in less space. A problem of say putting 2 D-Star repeater

Re: [Repeater-Builder] [Fwd: DStar Channel Spacing]

[EMAIL PROTECTED] wrote: >At 8/31/2007 11:18, Nate Duehr wrote: > > >>FYI. >> >>Cross-posting to IllinoisDigitalHam list and Repeater-Builder list from >>the [EMAIL PROTECTED] list. >> >>Thoughts folks? >> >>Thanks to Mark N5RFX for doing real testing. >> >> > >Thanks Nate. This is most inf

Re: Re: Re: [Repeater-Builder] [Fwd: DStar Channel Spacing]

Bob, Part 97.201 reads: (b) An auxiliary station may transmit only on the 1.25 m and shorter wavelength bands, except the 219-220 MHz, 222.000-222.150 MHz, 431-433 MHz, and 435-438 MHz segments. However, this is from Part 97 dated Oct 2006. I know there were some changes in Dec 2007 about

Re: RE: [Repeater-Builder] Re: Duplexers

Jim, This is why I got involved with TACMO and the C-130 with 30,000 ft of antenna hanging out of it. The Navy had installed a pod on the end of the wire to settle it down for open ended wire blowing in the wind at 300 mph it would flap around and modulate the VLF signal. Well one day they dr

Re: RE: [Repeater-Builder] Re: Duplexers

JK, I am not sure, but do know there was a remote hatchet for emergency cutting of the wire. If the aircraft had a problem did not want to take all that time reeling in the antenna. Wire aint cheap, but a C-130 at the time went for $25,000,000. 73, ron, n9ee/r >From: Jeff Kincaid <[EMAIL

[Repeater-Builder] Micor UHF RX IC needed M6707

Howdy fellow repeater builders. My Micor UHF ham band repeater has gone deaf. Basic troubleshooting reveals no discriminator output When I hang a scope on the input to the 2nd IF amplifier everything looks great. I can key up my FT-817 on the machine's input frequency and see a nice signal with d

Re: [Repeater-Builder] Ramsey COM3010 Service Monitor Opinions

That stopped me too, then I found a Motorola R2600 on Ebay for less than 4k KB2SSE Ken On Sat, 2007-09-01 at 14:05 -0400, Vincent Caruso wrote: > Agreed, thats the only thing holding me up from taking the plunge. > > > George Henry wrote: > > > > > >  > > > > The major complaint that I

Re: RE: RE: RE: RE: RE: Re: Re: RE: [Repeater-Builder] Re: Duplexers

Jeff, The question is way off base. No one said one cannot carry DC or any other signal on coax. The question was what was the impedance of a coax at given frequencies. At DC I can guarantee you RG59 is not 75 Ohms unless you got enough to get enough R and this is totally another discussion.

Re: Re: [Repeater-Builder] Wal Mart effect makes it to the Communications Hard (feed)-Line industry

Nate, Yep 10 years is long time and mother nature really does whatever she wants. I've seen good fiberglass antennas last 20 or more years in harsh enviroments and still show much life left. I think anything metal or antenna elements exposed will have electrical problems due to damage to the c

Re: RE: [Repeater-Builder] DB224 Survival in Florida

Eric, My repeater is on what we call ROCK 98 tower. I forgot the call. However, there are 2 other FMs there and 5 cel sites, much lower of course. The tower is about 1300 ft and yes I am side mounted at 1175. I am pretty much protected from lightning in that the 1-5/8" feedline comes down th

Re: [Repeater-Builder] Ramsey COM3010 Service Monitor Opinions

Eric, Vince, etc.: I'm going to add a P:S: to this thread. I'm looking to upgrade to the HP 8920 series that has a tracking generator; mine does not. Anyone interesting in entertaining some type of swap, trade, buyout, whatever, I'm all ears! If this is going to happen, I need to talk to som

RE: RE: RE: RE: RE: Re: Re: RE: [Repeater-Builder] Re: Duplexers

Ron, Maybe you could tell us why coax cable has a lower frequency limit? You claim that it does but have not explained why or how. Why does the impedance change significantly at lower frequencies? 73 Gary K4FMX > -Original Message- > From: Repeater-Builder@yahoogroups.com [mailto:Re

RE: RE: RE: RE: RE: RE: Re: Re: RE: [Repeater-Builder] Re: Duplexers

How do you know it is not 75 ohms at DC? How long do you think it will take for the DC signal to reach the other end of the coax if it is applied at one end? Will it be at the speed of light? 73 Gary K4FMX > -Original Message- > From: Repeater-Builder@yahoogroups.com [mailto:Repeater- >

Re: [Repeater-Builder] Re: subaudibe tones..

- Original Message - From: <[EMAIL PROTECTED]> To: Sent: Saturday, September 01, 2007 5:35 PM Subject: Re: [Repeater-Builder] Re: subaudibe tones.. [snip] >> >>You guys have control of the quality level of the equipment used when >>issuing coordinations? > > We have control of the tech

Re: RE: [Repeater-Builder] Re: Duplexers

We called that hatchet a guillotine on the KC-135 Looking Glass and the E-4 (747) aircraft. And on one flight on the E-4 I was on, we had to cut the wire and drop it in the gulf when it jammed while reeling it back in. By the way, I was hooked up to the Secret Service blade antenna (no Sec