R0
Event date: N/A
No available description!
G0
S0
R1
Event date: 2025-05-14
Sailing: navigation signal low frequency degraded for brief intervals.
HF Radio: Weak or small degradation in HF communication in the lighted area of the Earth, occasional loss of radio contact.
R3
Event date: 2025-05-13
Sailing: Navigating low frequency degraded for about an hour.
HF Radio: Large area blackout in HF radio communication, loss of radio contact for about an hour in the illuminated region.
Date: