HFU HF Underground

Technical Topics => Propagation => Topic started by: RobRich on December 31, 2023, 2212 UTC

Title: X4.9 Solar Flare 2156 UTC 31 DEC 2023
Post by: RobRich on December 31, 2023, 2212 UTC

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.

(https://i.ibb.co/hmRGLdG/goes-x-ray-flux-1-minute.png) (https://ibb.co/2k7zWMz)

Title: Re: X4.9 Solar Flare 2156 UTC 31 DEC 2023
Post by: RobRich on January 02, 2024, 2233 UTC

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

(https://i.ibb.co/8mcCbNq/x5-teal.jpg) (https://ibb.co/4Fdq2Kz)