Event date: 1970-01-01
No available description!
Event date: 2022-01-20
Sailing: Degradation navigation signal for low frequency by tens of minutes.
HF Radio: Limited blackout of HF radio communication in the lighted area, loss of radio contact for tens of minutes.
Event date: 2022-01-18
aurora is commonly visible at high latitudes (northern Michigan and Maine)
Other systems: migratory animals are affected at this and higher levels
Spacecraft operations: minor impact on satellite operations possible.
Power systems: weak power grid fluctuations can occur.
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