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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R2 (Moderate) HF Radio Blackout Event on 09 May, 2023 (UTC) | Tuesday, May 9, 2023 - 06:05 | |
R2 (Moderate) HF Radio Blackout Event on 18 Mar, 2024 | Monday, March 18, 2024 - 19:43 | |
R2 (Moderate) HF Radio Blackout Event on 28 November, 2023 | Tuesday, November 28, 2023 - 21:53 | |
R2 (Moderate) HF Radio Blackout Observed | Wednesday, May 1, 2024 - 01:31 | |
R2 (Moderate) Radio Blackout Observed | Tuesday, January 23, 2024 - 05:11 |