Topband: 160m line noise

[AA4NC@aol.com]

A line noise problem that I have never had before has just started. The noise 
sounds like normal 60 hz line noise, but peaks on 160m. It is strong (~S9) on 
80, but is absolutely wiping out 160m - It's 30 to 40 over S9 constantly. I 
have always had intermittent line noise here, but it has always been on the 
high bands, and in one certain direction. 
I can hear it all around my yard on an AM broadcast band portable receiver, 
but I can't tell anything about which direction it is coming from.

Any suggestions on what to look for, since it seems to be only a lowband type 
noise??

Thanks / 73,

Will


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