HF Fadeout Warning

(last updated 20 Jan 2026 07:00 UT)
SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 26/12 ISSUED AT 0815UT/19 JANUARY 2026 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. Active Region 4341 has recently produced an X1.9 flare as well as multiple M-class flares over the past several days. Further flare activity is likely from this region. DEGRADED HF PROPAGATION CONDITIONS EXPECTED FROM 19-21 JANUARY 2026 IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND _____________________________________________________________ SOLAR ACTIVITY FORECAST HF COMMS FADEOUTS 19 Jan: R2, chance of R3 Probable 20 Jan: R2, chance of R3 Probable 21 Jan: R2, chance of R3 Probable


