HF Fadeout Warning

(last updated 06 May 2025 14:30 UT)
SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 25/44 ISSUED AT 0745UT/05 MAY 2025 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. AR4079 has been quiet so far, but is large and magnetically complex and might produce flares over the next few days. DEGRADED HF PROPAGATION CONDITIONS EXPECTED FROM 05-07 MAY 2025 IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND _____________________________________________________________ SOLAR ACTIVITY FORECAST HF COMMS FADEOUTS 05 May: R0-R1 Possible 06 May: R0-R1 Possible 07 May: R0-R1 Possible