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FORECAST SOL: Moderate yellow MAG: Normal green ION: Normal green
HomeHF SystemsGlobal HFHF ConditionsHF Fadeout Warning Sunday, Dec 10 2023 23:32 UT
Global HF

HF Fadeout Warning


(last updated 10 Dec 2023 23:30 UT)

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/128 ISSUED AT 0713UT/09 DECEMBER 2023 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. Solar region AR3511 located in the southwest solar quadrant produced an M5.4 flare at 08/2307UT, further flares are possible. DEGRADED HF PROPAGATION CONDITIONS EXPECTED FROM 09-11 DECEMBER 2023 IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND _____________________________________________________________ SOLAR ACTIVITY FORECAST HF COMMS FADEOUTS 09 Dec: R0-R1, chance R2 Possible 10 Dec: R0-R1, chance R2 Possible 11 Dec: R0-R1, chance R2 Possible

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