HF Fadeout Warning

(last updated 25 Sep 2022 23:00 UT)

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 22/73 ISSUED AT 2058UT/23 SEPTEMBER 2022 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. Isolated ASWAS R1 flare activity is expected over the next few days. Shortwave fadeouts mostly impacting lower HF frequencies may be occasionally experienced on daylight HF circuits. DEGRADED HF PROPAGATION CONDITIONS EXPECTED FROM 24-26 SEPTEMBER 2022 IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND _____________________________________________________________ SOLAR ACTIVITY FORECAST HF COMMS FADEOUTS 24 Sep: R1 Probable 25 Sep: R1 Probable 26 Sep: R1 Probable