R 1 | Minor | 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. |
Radio Blackout -R1 / 15-04-2011
Space Weather Message Code: ALTEF3
Serial Number: 1786
Issue Time: 2011 Apr 15 1121 UTC
Continuation of Serial Number: 1785
Begin Time: 2011 Apr 14 1150 UTC
Yesterday Maximum 2MeV Flux: 1415 pfu
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