Topband: IDing RFI (QRNN) source

Roy royanjoy at
Tue Jan 25 08:38:46 PST 2011

About -

"...The noise is intermittent, and comes on for roughly 10-15
minute intervals, and when it goes off, it is completely
quiet for another roughly 10 minutes. The amplitude peaks
are at approximately...(etc.)"

I have had a cycling source like that with a 120 Hz component several times 
in my neighborhood. It was vapor type street lights. The light cycled on and 
off in some cases in unison with the noise, but not always. Sometimes the 
light did not ever come on, but did produce the intermittent QRNN.

73 & luck,

Roy            K6XK         Iowa 

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