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My comment about wire antennas was that all the receiver needs to see is some type of antenna, not necessarily one that's tuned for the frequency. Transmitters generating power definitely want to see an antenna that's frequency matched to it. This maximizes forward power (radiated power)...

There are a couple of things I'd like to address in this post. Both the AS1729 and the AS3900 are antennas designed to work in the 30 - 75 Mhz range and should operate interchangably. The MX6707 in the 1729 antenna will give you slightly better antenna coupling because of the tuned elements...

Yes, the box could be replaced with a push button to energize the glow plugs and lot's of CUCV guys have done just that. Keep in mind that by doing so you lose battery reverse polarity protection, starter engage with the vehicle running protection, and some other things designed to protect the...

Throughout the history of the HMMWV the PCB has been one of it's weakest links and has caused more red lined trucks than anything else in the system TACOM has claimed that the military uses 25,000 of them per year. This is probably the cause of their continuing redesign of this POS. There have...

switch The mmain difference between the HMMWV neutral start switch and a civy switch is 2 6" wires and about $30. As long as it's got the same threads it'll work. Kurt

Follow this link and it'll take you to a decent voltage doubler. Step Up 12 Volt to 24 Volt DC DC Converter Regulator 700 Watt Peak in Box | eBay 700 watts is more than enough to power up a 524 and some additional stuff. That works out to about 30 amps, so even being conservative you'll...

Trimble Trimpack Trimble introduced the Trimpack and the Transpack at the same time in the early '90s. The military bought the green Trimpack and designated it the AN/PSN-10. The black Transpacks were the same unit minus the P code offset correction capability. This lessened the accuracy...

The 77 will work on 12 volts just fine, the 6707 matching unit doesn't like it. Running the 2060 on 12 volts also stresses the voltage regulator circuits on the card in the 2060 and they are getting harder and harder to find any more. Remember, most of this stuff is 50 years old now.

That's Fair Radio Sales, Lima, Ohio. Fair Radio Sales Company Inc. Kurt

Radio covers Back around 1981 I was at Fred Swedines surplus yard outside Salt Lake City and there was a mountain of these covers sitting out in the weather. I wish I'd had enough sense to buy a hundred of them and store them away. Those covers have all turned to mush and, other than eBay the...

The Trimble mounts for the Trimpak were always in short supply. RAM Mounts probably makes the best aftermarket mount for them. I have plenty of bases and posts but don't have a plate to actually hold the GPS. Drop me an email and I'll send you some pictures of the Trimble mount with...

There's really not a much better way to test the PCB/GPC than substitution. Your WAIT light and voltmeter tell you what the system is doing so get used to "normal" and then observe what changed. The WAIT light should come on for around 10 seconds and then begin cycling on a cold engine, when...

I've reposted this site because it's an excellant source for military manuals of all kinds that can be downloaded for free. There are new folks on the forum all the time that might not know about this site. Pass the word. Kurt Free Military Army Manuals!

With the availability of military glow plugs and their low price why would you choose to go with another brand? I would advise a small amount of anti-sieze compound on the threads when you install them.

Has anyone had any luck recently accessing LOGSA to download manuals? They changed something a while back and made it very difficult to download anything. This site has a wealth of information available for free: Free Military Army Manuals! Kurt KG6KMJ

Here in California red lights are used on fire vehicles and red/blue are used on police vehicles. I wouldn't advise their use for convoy lights. Amber flashers are in use on utility trucks, tow trucks, and safety vehicles. We run them when we convoy and have never had issues with the CHP.

The 2799 was probably the best of the antenna matching units for the VRC-12 family of radios but it was expensive to produce because it had gold contacts in the switching assembly and didn't have an external way to switch frequencies when the stepper solenoid inside died. The 6707 solved that...

The Military Vehicle Collectors of California invite you to join us for our Fall Camp Delta Meet in Lodi, California, September 16-23. :beer: This is the second largest MV meet west of the Mississippi. Tent camping, RV hookups, and cabins are available. Motels within 5 miles. For more info...

wiring I've done military radios for a long time and the easiest way to remember how to wire the plugs is "ships always run Aground". Simple but effective in 99% of installations.

Send me a PM with a mailing address and I'll send you one. I have plenty of them. Kurt Lesser KG6KMJ