Topband: RFI

[Mike Greenway]

This year I am encountering a hash noise that repeats about every 66 to 70 Khz. 
 It is maybe 20 or 25 khz wide with a peak at the center.  Sound like the 
background noise is just increasing as you tune across it.  Has anyone 
identified something like this?  73 Mike K4PI
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UR RST IS ... ... ..9 QSB QSB - hw? BK