[CQ-Contest] Accidental Mixers

[Steve Sacco NN4X]

All of this discussion of reducing interference has reminded me that 
I've been surprised that I've seen no discussion here on the June, 2015 
QST "Hands on Radio" column, "Experiment #149 Accidental Mixers", where 
author Ward Silver, N0AX discusses RFI caused by a Tailtwister control box.

With so many folks going SO2R, this would be something to look at.

73,
Steve
NN4X
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