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On the subject of USB - if you know what the SIAD attachment is (lots regularly via Ebay's "Austin Aviation"/ beltfed34) - there's another in the same form-factor which has USB slots instead of the proprietary serial connections. I've only ever seen two of them and I grabbed mine the minute one...

Hmm. The first ones ran SOLARIS which is a Unix flavor. Supposedly Windows thereafter (XP, I think - like on the MTS) -- but I'd have to dig back in my notes. JV5 may have run Windows 7...again, I have all that in a file somewhere. This is the first I've heard of them running any version of...

Austin Aviation on Ebay (Beltfed34) usually has a ton of that sort of thing but you have to look through all his cable listings and try and see what's on the cable tags/lables in the photos. Sometimes he'll include that info in the listing header - sometimes not.

Great info. Somehow I missed downloading everything other than Part 1 way back - 3 years ago. I've got my system installed in a M113A3 basically just playing a loop of IR footage and comms traffic during some air ops against insurgent ground targets. It's good eye-candy when we have it out at...

The tall boot was for the first generation of the HF mount for the AT-1011 with the AN/GRC-206 installations. Once the tilt-whip adapters were in use, it looks like they cut down a lot of the original boots to allow use of the tilt-whip adapter. I guess at some point they probably...

Pic 3 there...looks like they have a couple of the AN/GRC-215 transmitter-receiver exciters left that they had on their website probably 20 years ago for the Regency Net post-apocalypse/ survivable HF radio system. Cool. Too bad Lima, OH is about as far from me as possible without having to...

Ah. Copy. Thought it might be something along those lines. Thanks.

Bringing this one back from the dead, I guess - but that link just 404s now. Anyone have a working link to the TOCNET manual? Suddenly triwalls of the TOCNET version of the FFCS seem to be out there. Looks like an interesting system - if a bit overcomplex for its base use.

Eh, that sucks. I've been referring a bunch of people looking for RT-524s and PRC-25/77 on Facebook to him for a few years. You don't stop to realize very often that your 'modern' military radio is 50 years old, and the 26 year olds that used to work on them are now 76 year olds. It's...sobering.

Excellent summary. Thanks for doing all that. I was wondering if anyone had bothered to compile such a reference - and now someone has. Yeah the running joke with the AS-3900 system was "works fine - if you like transmitting into a dummy load" - but your options are limited if your hopsets...

It's funny because it's largely true. Everyone ran away from HF backhaul first when Troposcatter formed the main backhaul link - and later when SATCOM kind of pushed Troposcatter and its huge, fixed, cold-weather, hard-to-maintain stations out of existence. But then it became pretty obvious that...

Clansman stuff is a solid choice. Very, very well built - and where problems (typically capacitors) have shown up as an issue - tons of documentation out there to help you work through it.

Interesting. Been in the game a long time but 'Elly Excess' I don't know. At the moment there aren't any listed, but the Tadiran PRC-174s that the IDF used show up a lot, and they're apparently solid radios. I haven't seen a decent PRC-138 come up for sale for 3 yrs or more - which is...

Fair Radio Sales in Lima, OH often has a bunch of stuff for the older family sets, and they have the RT-70 dogbone for $50. All of the online pricing everywhere - Ebay included - will be about the same. The *only* deals you're going to get...at all...are in person at Hamfests and swapmeets and...

That will be fun because the LS-671 was never designed to be used with the VIC-1 system (of which the AM-1780 is the central part.) You would have to look at the wiring pinout from the AM-1780 to the C-2298 box - then contrast that with the wiring from the MT-6352 to the LS-671 - and see what...

What's your Installation Switch set to? If you're trying to feed power up through J508, the Installation Switch has to be INT ONLY. Powering up as part of a radio installation (i.e. through J501) it has to be set to OTHER. If you feed power to *J508* with your Installation Switch set to OTHER -...

Irritatingly I just missed a bunch through GovPlanet - Dec. 2020 and May 19th of this year. One of which went for 25 bucks. Someone up there hates me :) https://www.govplanet.com/for-sale/Parts-Howco-0816A-Engine-Coolant-Radiator-North-Carolina/4966685/NSN/2930-01-132-0978

Looks like a nice, clean set. It's also an 'A' model and *should* have silicon power transistors vs. the earlier germanium ones which is a very good thing.

Yeah I kept a bunch of their catalogues from the mid-late 80s and *man* there was a lot of stuff around then including some more modern kit (Regency Net/ GRC-215 stuff for example) but now it looks like all they can get is a lot of the older generation glow-in-the-dark stuff and not much newer...

Ah, so the SECO rad is for the A4 HEMTT as suspected. That listing didn't come up for me. Weird. For M977 / M985 A0 trucks like my one in the yard, the NSN is 2930-01-132-0978 for the complete assy, and the core itself is 2930-01-133-9954 . Both carry an Oshkosh part number but the...