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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Real Time Solar Wind and NOAA's DSCOVR Satellite | Thursday, April 26, 2018 - 19:09 | |
R3-Strong Radio Blackout from Active Region 12339 | Tuesday, May 5, 2015 - 23:54 | |
R3 Radio Blackout on 6 September 2017 | Tuesday, November 29, 2016 - 23:30 | |
R3 Radio Blackout 7:57 p.m. EDT January 5, 2023 | Friday, January 6, 2023 - 02:37 | |
R3 (X9.3 flare) Radio Blackout on 6 September at 1202 UTC | Wednesday, September 6, 2017 - 13:50 |