Recent content by RedBeard

Yeah, that'll take a little doing. It's my understanding that the factory antennas handle dual duty for both CB and FM, being co-phased for CB and handling FM through some sort of box/signal splitter. That'll be the real banjo work, getting it all worked out so I can use decent coax and antennae...

Well, it works okay. I talked with somebody about 3-4 miles away, over a pretty big hill (3/4 mile of 5% grade up and down). He said he was on a stock Cobra 29 with a Wilson 2000 antenna, and he pushed my RF meter to 2. I'm using the antenna that came on my Freightliner Century from the factory...

That diode (D11) was clipped right up at the glass of the diode. The info I found for "supertune" on a 29 LTD Classic says to replace that if it's been clipped, with a "small signal switching diode, like a 1n147 or similar". I was an electronics hobbyist in a previous life, and have a decent...

Right, the SWR function and SWR Cal do not work on it for some reason. RF goes straight to the top of the green area of the meter (4 watts I assume) when I set the switch to RF and transmit. It also works fine showing receive signal strength. My antenna/coax setup is tuned and my SWR is around...

Hi, I just picked up an older Cobra 29LTD Classic from a driver who didn't know if it worked or not. I plugged it in, it works fine. I thought about trying some mods on it, so I looked up some info, cracked the case, and found it had already been modified. It's a unit from 1994 with side...