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Transmission running up the 20m dial
Posted: Wed Jul 31, 2019 3:33 pm
by W7FZY
I took these four PowerSDR screenshots while working FT8 at 14.074. I noticed a progression of RFI showing up on the waterfall moving up the 20m dial. Any ideas?
Date: July 31
Time: UTC 20:27 (1:28 Pacific)
Re: Transmission running up the 20m dial
Posted: Wed Jul 31, 2019 4:03 pm
by W7FZY
Here's a bunch more screenshots as the RFI took another turn as I was typing out the previous message.
https://photos.app.goo.gl/Ht9fmezkPfHRuY5J8
Re: Transmission running up the 20m dial
Posted: Wed Jul 31, 2019 10:12 pm
by ke9ns
looks like someone was transmitting a signal of some kind, and started turning his tuning knob up the band.
Just a guess.
Darrin
Re: Transmission running up the 20m dial
Posted: Wed Aug 28, 2019 11:19 am
by N0DFF
I had a made in China switched mode wall wart that made a very similar pattern. I'm storing it at the local landfill now..