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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R1-R2 Radio Blackouts on 4 September, 2017 | Monday, September 4, 2017 - 09:35 | |
R1-R2 (Minor-Moderate) Events on 3 May, 2023 | Wednesday, May 3, 2023 - 16:19 | |
R1-R2 (Minor-Moderate) Event Likely 23-26 February, 2023 | Thursday, February 23, 2023 - 18:00 | |
R1-Minor radio blackout occurred | Wednesday, December 23, 2015 - 08:20 | |
R1-Minor radio blackout and S1-Minor solar radiation storm occurred 02 Jan | Saturday, January 2, 2016 - 05:55 |