[RFI] 160 meter RFI at W9RE tracked down to neighbors DVD player

[BILL STEFFEY NY9H]

GREAT WORK ,,,, you make it ALMOST LOOK EASY .,....  it makes me mad 
when I hear guys surrendering  their HF spectrum....rather than to spend 
the effort to  chase down the illegal crud on our licensed 
frequencies.... and subsequently get out the ferrite~~~!!!!

bill

~

On 10/21/2025 5:19 PM, Don Kirk wrote:
> Mike (W9RE) was experiencing RFI on 160 meters that had repeating humps
> every 55 KHz and it turns out it was raising his overall noise floor.
> Yesterday Mike and I tracked the RFI down to his neighbors house and I just
> uploaded a video onto YouTube that documents this case.
>
> Tracking the RFI down to 2 adjacent homes that were potentially generating
> the RFI was very easy (just took minutes), but figuring out which of the 2
> homes the RFI was really coming from took much more effort and
> ingenuity along with 2 really great homeowners that allowed us free access
> to their property.  I really can't say enough about Mike's neighbors.
>
> Here is a link to the YouTube video which documents this case for those
> interested:https://youtu.be/K2jI0J14hbM
>
> Note: I've been noticing that adjacent homes that are fed from the
> secondary of the same transformer often cause the innocent house to be
> screaming RFI (either due to conduction or induction????).  In this case we
> used a sniffer loop to measure relative RFI field levels going into each
> homes utility meter at the two adjacent homes and there was only a 6 dB
> difference between the two homes but this 6 dB difference along with the
> portable flag direction finding results on a higher frequency and relative
> field strength measurements at each homes porch was enough for us to be
> confident we knew which home was really generating the RFI, and we were in
> fact correct.
>
> Just FYI, and 73.
> Don (wd8dsb)
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