Technical Topics > Propagation

X4.9 Solar Flare 2156 UTC 31 DEC 2023

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RobRich:
SWPC logging: 31 Dec 2023 21:56:00 GMT X4.9 Ratio 0.308

SWPC is reporting a R3 radio blackout at ~2200z. I had one of my SDRs parked on the 40m band, and DX propagation dropped to basically nothing. Even locally there were only like 2-3 ops remaining.

The band started recovering by by 2203z.

RobRich:
Image of the flare. (h/t to Spaceweather.com and SWLing Post)

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