G1 (Minor) Geomagnetic Storms Observed - 11 June 2017
G1 (Minor) geomagnetic storm conditions were observed at 11/1759 UTC due to an observed SSBC and the arrival of a recurrent, positive-polarity CH HSS.
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.
G1 (Minor) Geomagnetic Storms Observed - 11 June 2017