Today, listening on 10m, I noticed that whenever I tuned into the 28400-475
range, there would be a marked increase in what sounded very much like
ordinary powerline noise. Trouble is, I'm not aware of any mechanism that
could account for this "peaking" in a certain frequency range. I have
checked the rx, and it has the same apparent sensitivity in that range as
elsewhere in 10m.
73, Pete N4ZR
The World HF Contest Station Database
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