[RFI] Power Line Noise Specific to 15 meters

[Pete Smith N4ZR]

This is a bit of a puzzle, to me anyway.  With my tribander pointed in 
one direction (west), I have extremely bad what sounds like line noise.  
This noise is not audible on 20 meters, on 10 meters, or on lower bands 
using my Carolina Windom.  I won't be able to get out and try to DF it 
for 10 days or so, but I always thought line noise got progressively 
worse as you went down in frequency toward its fundamental.  What am I 
missing, or what should I be looking for?

-- 
73, Pete N4ZR
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