[Elecraft] OT 20M Moving QRM (Video)

[Jim Brown]

On Thu,3/3/2016 10:05 AM, David Ahrendts wrote:
> Does anyone recognize this moving QRM? Last evening 6:30pm. Band is dead. Ambient noise pretty calm. But notice the slowly moving noise bumps on the K3S SVGA display. Might this be weather radar?   https://vimeo.com/157616344

Nope. It's a switch-mode power supply, the sort of thing that powers 
almost anything we buy nowadays -- it's in the wall warts for all sorts 
equipment, battery chargers, computers, even built into home electronics.

73, Jim K9YC