marxy's musing on technology

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HF noise at my home

Posted: 18 Jan 2021 03:10 PM PST
http://blog.marxy.org/2021/01/hf-noise-at-my-home.html

Since moving to our smaller home in Thornbury I've been observing the noise
on HF. It varies widely. Sometimes, 40m has broadband S9 noise.At other
times it's pretty good.Sometimes the noise appears to be from a switching
power supply (and this pattern is repeated all across HF!)20m can be pretty
good at times.Yesterday I had a good voice contact with Ray, VK2ELO. One
thing that stands out is,