Craig - I had a very similar problem. I was operating on 20 CW into my
non-resonant antenna (SWR about 7:1) using the internal tuner. All of a
sudden I had a high SWR. My Powermaster showed that the external antenna
system hadn't changed. I was able to have the K3 ATU re-tune, and then
ever
Craig,
I saw the same problem on S/N 593 yesterday after the upgrade, I had SWR 3.0
on 20m
band only. I tried switching bands, changing the tune power etc and it
sometimes went away.
Today I can't reproduce the problem anymore ... I don't have the build-in
tuner by the way.
- Wim
Craig D. Sm
My first real problem (or operator error?) with K3 SN 608 just occurred. I
got on 20 CW with my usual antenna (a resonant dipole) and the K3 is showing
a 2:1 SWR and folding back power. I bypass the tuner with this antenna
since its SWR is in the 1.2 to 1.3 range. My external SWR meter shows th
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