W5ZN:
> Thanks for emphasizing this is not just a "local" problem!
Definitely not. In the example below, a -58 dB spur (like
you measured) from my -32 dBm TX signal would be -90 dBm...which
would be competing with very strong EU signals like DF2PY...37 dB
ABOVE the noise floor.
73, Bill W4ZV
W8JI measured data from http://www.w8ji.com/receiving.htm
My local wintertime 350Hz BW noise (after amplifier) compared to a
sample of signals on one night was:
Noise -127dBm
9H1BM -122dBm
OM0WR -95dBm
DF2PY -88dBm
WA8OLN -78dBm
W3GH -60dBm
W4ZV -32dBm
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