HF Fadeout Warning

(last updated 15 Apr 2025 22:20 UT)
SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 25/37 ISSUED AT 0127UT/14 APRIL 2025 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. A recently flare active region is soon to rotate off the solar disk. DEGRADED HF PROPAGATION CONDITIONS EXPECTED FROM 14-15 APRIL 2025 IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND _____________________________________________________________ SOLAR ACTIVITY FORECAST HF COMMS FADEOUTS 14 Apr: R1, chance of R2 Possible 15 Apr: R0-R1 Possible