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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The Sun is at solar maximum! Solar Cycle 24 is seeing a second, higher peak in the sunspot number. (Updated) | Thursday, March 27, 2014 - 19:25 | |
Solar Cycle 24 Marches On | Wednesday, September 4, 2013 - 16:41 | |
SWPC Debut’s new Beta Web Site | Wednesday, September 4, 2013 - 13:57 | |
Slight chance of G1 (minor) geomagnetic storm | Wednesday, June 5, 2013 - 15:29 |