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 (Minor) Radio Blackout Observed on 01 April 2017 at 2148 UTC | Saturday, April 1, 2017 - 22:33 | |
R1-2 (Minor-Moderate) Radio Blackouts Continue | Thursday, March 28, 2024 - 07:19 | |
R1-Minor Flare Activity Observed | Thursday, July 21, 2016 - 03:34 | |
R1-Minor radio blackout and S1-Minor solar radiation storm occurred 02 Jan | Saturday, January 2, 2016 - 05:55 | |
R1-Minor radio blackout occurred | Wednesday, December 23, 2015 - 08:20 |