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Based on pictures I found online, that appears to be out of a 1970's era Motorola car telephone.? There may be tuning instructions in the service manual but finding a 40+ year old manual could be a

Sounds like a job for DSD+ https://www.dsdplus.com/ Will

I worked in a very large industrial plant.? In my tool box was a couple of Fluke meters and the good old Simpson 260 and Amprobe analog meter.? I most often grabbed the analog meters for quick tests

Do you mean a Micor?

This is a project I've been keeping in the back of my mind for a few years. I want to take a mobile (in this case, an M1225) that the tx is no good (no power out), hook it to an MMDVM, and let the

Way before everything became digital (because, as we've been brainwashed, digital is better), Amprobe was the leader in clamp-on ammeters. These all used analog D'Arsonval meter movements. Hopefully

I worked on a TPRD-4544 many years ago that was not tuning properly. I had a feeling the coax used to form the coupling loop was somehow defective. I ended up buying two new coupling loop assemblies

3rd world country needs some clarification these days ? ________________________________ Sent: Tuesday, January 19, 2021 3:53 AM To: [email protected] <[email protected]> Subject:

roger that . The old IF filters were wide. ________________________________ Sent: Tuesday, January 19, 2021 3:53 AM To: [email protected] <[email protected]> Subject: Re:

I picked up a UHF mobile duplexer at a hamfest several years ago and now have a project I'd like to use it with. When I go to tune it though I find that it has some slugs that I don't know the purpose

Jeff, Thanks for you comments and especially for the cable lengths. There was no evidence of arcing on the capacitor's body so I don't think it was damaged by a lightening strike. Do you have any idea

Thanks, Mike for the clarification. I have not seen clamp meters with the mechanical movement; all the ones I've seen have a digi screen. But the former is good to watch for dips and spikes :)? Good

Peter, Be careful on those old radios you mentioned. While I built many "IC-20" repeaters in the '70s that was when we had 30 KHz spacing between slots and they worked well. Presently, that won't work

Hi Mike, Please email me direct: radio5000 (at) aol (dot) c o m Thanks, Will

Curious, how is it different? It looks identical to me.

Mike, There are no other modules. Thanks, Will

Also to look at, is replacing the front display board (with the front panel LEDS) which affects both the USB and LAN connectivity. I've had to replace a number of these in the past on different

I'm presently working on a TKR-750 now on the bench. That is the VHF cousin of the TKR-850. In the KPG-91D software you want to go to EDIT> FUNCTION PORT and select the AUX tab. I used the "AUX In/Out

Piotr, I would suggest that you use the TOR signal for your COS input to the controller.? It is a combination of COR and CTCSS, so you get the benefit of a slight delay (settable in the radio code

I would be interested in the PA only I could use it for a spare for my 6meter repeater. What would you want for it. Mike W1ZFB