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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R3 (Strong) HF Radio Blackout Event 02 July, 2023 UTC-Day | Monday, July 3, 2023 - 04:05 | |
G1 Minor Storm Watch issued for 07 July 2023 | Tuesday, July 4, 2023 - 19:58 | |
G1 (Minor) Geomagnetic Storm Watch 17-18 Jul | Saturday, July 15, 2023 - 20:15 | |
R2 (Mod) HF Radio Blackout on 10 March 2024. | Tuesday, July 18, 2023 - 04:27 | |
Polar Cap Absorption Event in Progress since 18 July, 2023 UTC-day | Tuesday, July 18, 2023 - 13:10 |