Dwight
When I had my Corsair 2, I had a warble on a number of the HF bands. I
could clearly see it on PSK31 signals on the waterfall of MixW. I
rebuilt the PTO a number of times but it didn't cure the problem.
Eventually it was traced to a dirty preset pot which set an offset
voltage on those bands. I can't remember the component reference, but -
if I remember right - it was the only one on the board and sat up at
right angles to the board. A squirt of switch cleaner did the trick.
For you, this may be the cause of your problem. Anyway, if you can find
the offset pot, give it a squirt of switch cleaner and see what happens!
73
Bob Towers MM0RKT
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