R2
Sounds like we missed the brunt of it but rated at R2 right now:
R 2
Moderate
HF Radio: Limited blackout of HF radio communication on sunlit side, loss of radio contact for tens of minutes.
Navigation: Degradation of low-frequency navigation signals for tens of minutes.
M5
(5 x 10-5)
350 per cycle
(300 days per cycle)