In a message dated 99-06-22 21:27:35 EDT, firstname.lastname@example.org writes:
> I have a problem with my Cushcraft A4S again. It started out as a SWR
> problem on 20 and 40. Anything over a 100 watts and the SWR would jump
> from flat to 3 or 4 to 1 and back down and back up, on and on. I thought
> it was a problem with a 20 meter trap. Now I have problems with 40, 20
> and 10 meters, it does the same thing on all 3 bands now. 15 meters works
> fine and I can run 1000 watts with no problems. I use a Radio Works
> balun, have never had one of them go bad?
> Any ideas from the group as to what may be going on?
Have you put an antenna analyzer directly on the feedpoint? Are you
using a balun or rf choke coil of coax? Does it do this when the wx is dry,
wet or both? What is between the radio and the antenna? I suspect the antenna
more than the feedline since it does work on one band.
Cheers, Steve K7LXC
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