R3 (Strong) HF Radio Blackout Observed
An R3 (Strong) Radio Blackout occurred due to an X3.3 flare at 03:57 UTC on 24 October from Sunspot Region 3869.
NOAA Scales mini
R1 (Minor) Radio Blackout Impacts
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.
R3 (Strong) HF Radio Blackout Observed