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I need a schematic for this radio. Anyone know where I can find one? Also this radio has a problem that maybe someone here might know how to fix. The radio oscilates. Frequencies jump all over the place. Is there a specific fix or just trying to find a cold solder joint? Any comment...

The skyhawk is a 2 element quad beam antenna made by signal engineering. I would like to get some advice on this antenna. How easy are they to put together? Is it that much better than a Imax 2000. I know they're different animals. I'm buying a different antenna for my base and it's...

Do current 1:1 baluns really work? Do they keep RF out of the coax? I already have a benchers YA-1 low pass filter inline. I'm thinking of buying a MFJ-915. I'm trying to keep RF away from a neighbors TV set.I had cured the problem with TVI on the neighbors set until I put in some more...

Hi, I got a clone version of the a99 Solarcon antenna and I broke one of the ground planes when I was installing it. So, I replaced the broken ground plane with the top section of the antenna since it was the same size. I replaced the top of the antenna with a 102" steel whip. Now to my...

I just got a old ground plane kit for HF vertical antenna and the radials are very old, and sun beaten. I was wondering if I could replace the radials with francis 5' antennas or larger. Are these radial just antennas? They look just like Francis antennas. If they're not Francis's then can I...

Just got a ground plane kit for my a99 clone, but It's a used kit. It looks like it would work ok, but the ground radials look really old and discolored. Can I switch these ground radials with francis antennas that are 5' long? Will they work just as well?

I've noticed lately that when I go to a different channel. The signal strength on that channel is different than the channel I was on. For instance. I was on channel 19 talking to a local and then we switched to channel 27 the signal I was receiving was different. It was lower he sounded...

I'm buying a Icom-735 with a dx250 tube type linear and a Astron 20 amp power supply for $475.00. Now it turns out the the radio needed some repair and it cost about $150.00 to repair. Now the cost is $535.00. I told him to keep the Astron 20 amp power supply since I don't need it, so I...

I would like to put up a base station and I've been looking for the easiest way to do this,of course. I found some fiberglass push poles that I can afford, but I was wondering if I should use metal instead. Would a metal push pole be better than fiberglass for any reason. Will my...

I just put 2879's in this radio and I'm just wondering if I could put a 2290 final in the radio it's self?

What causes a back swing on a radio or radio attached to an amp? I saw one go from 7s signal then modulate to a 3s signal. It sounded as if it was a 7s signal though.

Is it possible to use a balun for mobile application with a 1/4 wave antenna like the 10k predator? Is the 10k predator on a mirror mount a unblanced antenna. will using a balun help in keeping the Rf from leaking out of a coax and causing problems with gauges and sensors in my truck?

RF Chokes how do they work? Where do I install them? Will it stop the problem I'm having with RF. My radio is messing with a booster sensor on my truck. Just wondering if a RF Choke or two will help I got 4600 turbo 12' of coax to a Fatboy amp then 18' to a 10k antenna. Will...

I have this radio and the recieve is very noisy. I can hear people talking at a distance. but the noise covers most of the long distance rx. The radio has been on a signal generator and aligned. but still the nois persist. I was wondering if i would change the 2sc1674 for a 2sc2999...