I solved this problem (Hi, I use a Scout 555 and have been keeping on cw
lately. I usually use head phones. When I increase my power past 20 watts
I hear a buzzing in the background as I transmit. The buzzing shadows each
of my dits and dahs. To me it sounds like the radio is under some sort of
stress so I keep it under 20 watts on cw. No problem or strange noises on
ssb. Any spare knowledge would be greatly appreciated.) by putting a
ferrite block (they open up, you put a few turns around the core and then
it closes, making good magnetic contact, from rat shack) on each wire from
the PS, as close to the 555 as possible.
Bill Ames
KB1LG
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