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[RFI] powerline noise that seems to peak in frequency

To: rfi@contesting.com
Subject: [RFI] powerline noise that seems to peak in frequency
From: Pete Smith <n4zr@contesting.com>
Date: Sat, 08 Dec 2007 17:23:10 -0500
List-post: <mailto:rfi@contesting.com>
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
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