General Category > Group W Bench

Re: UNID 6925 USB 0120 UTC 04 DEC 2022

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Pigmeat:
The bands went nuts after dark when the equinox hit this year. The short, after dark propagation phenomena is something with the solar cycle that occurs every few years. It seems to be tied to low sunspots, but I'm not a real astronomer, I just make wild guesses here based on what I've read elsewhere, like everyone else.

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