I've noticed a growing trend of 100w-class AM and SSB stations
reporting less
success in recent years. I have a theory that this is due to the
ever-climbing local noise levels in our neighborhoods. This noise will
tend to mask the weaker signals at the receive end, resulting in fewer
possible
Dennis wrote:
On the broadcast frequencies, most of the noise comes from 'Hybrid
Digital', or HD implementation. Some of that trash on the ham bands
is overmodulated PSK-31 or other digital mode comms stuff. The rest
is good old hash from crappy appliances and bad electrical
distribution grid.
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