[RFI] RFI Question

Christopher Wawak kc2ieb at wawak.org
Fri Feb 12 09:41:37 EST 2021

I can't be the only one who read this and made a mental note to check for
extension cords around the house. hihi! Thank you for sharing!

73 kc2ieb chris

On Fri, Feb 12, 2021 at 9:39 AM EDWARDS, EDDIE J via RFI <rfi at contesting.com>

> Based on my experience, I'm also in the "stronger signal" camp.
> One example, when I had tracked down a touch lamp noise that was strongest
> on 20meters several years ago, I found the noise strongest in their empty
> garage below the touch lamp upstairs.  Spotted an extension cord plugged in
> the wall with nothing attached to the cord which was where the strongest
> noise was centered in the house.  The extension cord's outlet was on the
> same breaker circuit as the touch lamp.  I unplugged the extension cord and
> the noise became very weak.  Back at the shack, I could no longer find any
> RFI noise.
> Apparently the extension cord added to the house wiring equaled a 20 meter
> resonance that made the weak RFI noise very strong at my antennas.
> 73, de ed -K0iL

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