HF Fadeout Warning

(last updated 09 Jul 2025 09:00 UT)
SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 25/70 ISSUED AT 0440UT/09 JULY 2025 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. Isolated R1, chance R2 flare activity is expected due to a solar region that is currently rotating onto the solar disk. DEGRADED HF PROPAGATION CONDITIONS EXPECTED FROM 09-11 JULY 2025 IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND _____________________________________________________________ SOLAR ACTIVITY FORECAST HF COMMS FADEOUTS 09 Jul: R1, chance R2 Possible 10 Jul: R1, chance R2 Possible 11 Jul: R1, chance R2 Possible