[RFI] RFI Question

Mike Martin mike at rfiservices.com
Fri Feb 12 10:12:12 EST 2021

Hey Eddie that's a great story, one I have repeated many times over the years.

⁣Happy 2021,

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On Feb 12, 2021, 9:41 AM, at 9:41 AM, Christopher Wawak <kc2ieb at wawak.org> wrote:
>I can't be the only one who read this and made a mental note to check
>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
>> on 20meters several years ago, I found the noise strongest in their
>> garage below the touch lamp upstairs.  Spotted an extension cord
>plugged in
>> the wall with nothing attached to the cord which was where the
>> noise was centered in the house.  The extension cord's outlet was on
>> 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
>> resonance that made the weak RFI noise very strong at my antennas.
>> 73, de ed -K0iL
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>RFI at contesting.com

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