Previous SWPC news items.
NOAA Scales mini
HF Radio: Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact.
Navigation: Low-frequency navigation signals degraded for brief intervals.
More about the NOAA Space Weather Scales
Navigation: Low-frequency navigation signals degraded for brief intervals.
News Archive
News Archive
Originally Posted | ||
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The "Green Comet" is Racing up the Northern Sky at Night! | Tuesday, January 31, 2023 - 22:11 | |
Space Weather Advisory Group Meeting at Dept. of Commerce | Wednesday, January 18, 2023 - 19:50 | |
Test | Thursday, January 12, 2023 - 13:44 | |
Another X1 flare (R3 (Strong) radio blackout | Wednesday, January 11, 2023 - 05:49 | |
R3 (Strong) HF Radio Blackout 1:50pm EST from X1.9 Flare | Monday, January 9, 2023 - 20:03 |