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HomeHF SystemsGlobal HFHF ConditionsHF Fadeout Warning Wednesday, Dec 10 2025 11:12 UT
Global HF

HF Fadeout Warning

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(last updated 10 Dec 2025 11:10 UT)

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 25/120 ISSUED AT 0231UT/09 DECEMBER 2025 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. R2-R3 radio blackouts are probable over the next few days due to active sunspot regions. DEGRADED HF PROPAGATION CONDITIONS EXPECTED FROM 09-11 DECEMBER 2025 IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND _____________________________________________________________ SOLAR ACTIVITY FORECAST HF COMMS FADEOUTS 09 Dec: R2-R3 Probable 10 Dec: R2-R3 Probable 11 Dec: R2-R3 Probable

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