Thanks to K6XX for solving this problem with a huge power output surge
on certain bands while driving with the K3. With the proper drive level
set on a new band the first dit would display a huge surge over 1900w,
then settle down to normal over 2-3 seconds. This would happen again if
the drive from the K3 were readjusted even by 1 watt! I know several
others have had this problem. Bob said the K3 should never transmit at
or have CONFIG:TUN PWR set to 50w. I didn't realize this before, since
that probably caused my problem.
The solution is to redo the TX GAIN calibration. I think that process
is too vague in the K3 manual, since I'm a dummy with this stuff.
Here's what I did with the K3 to solve the problem:
Set CONFIG:PWR SET to PER BAND
Set PWR control to 5w
Set CONFIG:TUN PWR to 5w
Hold TUNE - saw 5w
Repeated all with 50w settings - saw 50w
Immediately reset TUN PWR to 25w
Immediately reset PWR to 100w
Drive power settings for the KPA1500 were retained
I also went to the KPA1500 and adjusted WMTR ADJUST on each band to show
close to my trusty Bird 43 values. Again, do NOT transmit at 50w with
the K3.
73, Jim W6YA
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