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Commercial systems cannot operate on a non-standard split. It's mandated in part 90 Chris WB5ITT [email protected]> wrote:

Split antennas and a circulator would have fixed the problem.. or change in frequency too Chris WB5ITT [email protected]> wrote:

My old club has two repeaters at a cable company tower. The repeaters are 1VHF and 1UHF. There is a low power local access TV transmitter in there and two radio stations transmitters in there When

A site I used to maintain had a Class A FM on 105.5, and a 250W FX on 100.5, with the same programming. It was in an industrial area with about 6 low profile 450mHz business repeaters near by. That

Oh Lord....??? many, many years ago a new ham repeater was coordinated on 147.21 at a local MAJOR site.? Nobody knew that there was a paging system on 152.21...? and that particular system was

Randoloh KoehlerKI4EZU VEki4ezu@...?360-633-0708I have used Waris.py with chirp.to program the cmd/ht's out of band

-->Look for another FM station 5 MHz away (88.7 or 98.7)...if there's none within 15-20 miles, you're probably ok...

Sorry, Didn’t catch it was UHF. We run a Commscope DB-420 on our D-Star repeater on 444 mHz. It has 16 bays and a 9.1 dbd gain figure. It is cut for 450-470, but has plenty of sweep to reach into

You might want to consider an antenna that’s more commercial grade, like a Comprod, Sinclair, or Commscope exposed dipole array in the 2 or 4 bay variety. Dave Bates, KF0XQ

Looks like one use for the NSN6048A was for a convertacom installation. Sent: Thursday, March 13, 2025 9:04:44 AM To: [email protected] <[email protected]> Subject:

It a 3 ohm motorcycle spkr. Do a YouTube search for a video. Sent: Thursday, March 13, 2025 9:04:44 AM To: [email protected] <[email protected]> Subject: [repeater-builder]

Can anyone tell me what radio NSN6048A was used with? Thanks Glenn WB4UIV -- ----------------------------------------------------------------------- Glenn Little ARRL Technical

Depending on your preferences… “best practices” are always open to interpretation. While there may not be any other 400MHz UHF gear on the tower today, that might not be the case tomorrow. I get

You might consider adding an isolator to your uHF system between the TX output and cavities. Chances are you are not going to encounter any issues. I have had numerous 2m and 440 repeaters on

I have an Anritsu Cell Master, model 8212B I think. It’s sweep rate it way too slow in transmission measurement mode to be useful for tuning duplexers or filters, you have to tweak, wait for the

No problem....Ive have repeaters on broadcast towers for decades...VHF, UHF ...TV and FM... you're good [email protected]> wrote:

Hello Group, I'm in the investigation stage of relocating a repeater to a FM broadcast tower site.??? I've been on several LMR towers and not had any issues but wanted to see if there is any best

All, To let everyone know what I figured out (and aid others), there are TWO places you have to set the radio to full duplex if you have a wireline card installed, there's the settings on station

I've been curious about the Tektronix Nettek Y400 Portable Communications Test set showing up on eBay. The prices are attractive, but it looks like you have to be careful about what plug-in modules

Does anyone know of any school bus company or school district currently using SCHOOL RADIO, (Brand) PTT over Cellular mobile and portable radios? If so, please advise as I am looking for a good