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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Polar Cap Absorption Event in Progress since 18 July, 2023 UTC-day | Tuesday, July 18, 2023 - 13:10 | |
Possible G1/G2 Geomagnetic Storms | Friday, December 19, 2014 - 14:18 | |
POSTPONEMENT of Planned Network Outage | Tuesday, March 5, 2024 - 22:09 | |
Potential minor impacts from the R2 Moderate radio blackout event | Thursday, December 18, 2014 - 04:36 | |
Power Interuption at SWPC | Thursday, July 30, 2015 - 01:45 |