On 2/6/2025 9:03 AM, AA5CT via RFI wrote:
I hold an AM pocket-sized receiver near the mains in mysuburban home with
underground AC mains (utilities) and I hear overwhelming white noise that
degrades the SNR on major stations in this market even ... different tones and
rep-rate cyclic noise can be found at different spots. One known source is a
pool pump, no longer a simple induction motor, but something more exotic a
couple doors down. Occasionally it goes off, and things clear up noticeably,
though not completely.
It's worth many hours chasing down and eliminating all of those noise
sources -- they're also raising the noise level on the ham bands.
See the piece on my website about boosting contest scores by killing
noise. k9yc.com/publish.htm Scroll down
73, Jim K9YC
_______________________________________________
RFI mailing list
RFI@contesting.com
http://lists.contesting.com/mailman/listinfo/rfi
|