A few years ago I was receiving noise from my PC on 6M, via the serial
interface cable. I was also receiving it when using the KUSB of the
time with the Prolific chip-set.
I made a new serial cable using CAT-6 and the technique used in the
"K9YC RFI-Ham.pdf" tutorial, page 38.
This significantly reduce the noise and interestingly when I placed it
in series with the KUSB it had the same effect. My new serial cable was
about 3 metres long and I was going to make up a short version to see if
it had the same effect. Unfortunately I never did.
Regards,
Mike VP8NO
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