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FORECAST SOL: Moderate yellow MAG: Normal green ION: Normal green
HomeHF SystemsGlobal HFHF ConditionsHF Fadeout Warning Wednesday, Apr 29 2026 20:31 UT
Global HF

HF Fadeout Warning

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(last updated 29 Apr 2026 20:30 UT)

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 26/43 ISSUED AT 0731UT/27 APRIL 2026 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. Regions 4425 and 4420 both harbour beta-gamma-delta magnetic complexities. Shortwave fadeouts are probable. DEGRADED HF PROPAGATION CONDITIONS EXPECTED FROM 27-29 APRIL 2026 IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND _____________________________________________________________ SOLAR ACTIVITY FORECAST HF COMMS FADEOUTS 27 Apr: R2, chance of R3 Probable 28 Apr: R2, chance of R3 Probable 29 Apr: R2, chance of R3 Probable

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