R3 (Strong) HF Radio Blackout Event 02 July, 2023 UTC-Day
(Correction) An R3 (Strong) radio blackout was observed at 23:14 UTC on 02 July (7:14 pm eastern). The flare came from a large and complex region denoted as sunspot group 3354.
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 Event 02 July, 2023 UTC-Day