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FORECAST SOL: Moderate yellow MAG: Moderate yellow ION: Moderate yellow
HomeHF SystemsAustralasiaHF ConditionsHF Communications Warning Sunday, Dec 03 2023 01:33 UT
Australasia

HF Communications Warning

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(last updated 03 Dec 2023 01:30 UT)

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/124 ISSUED AT 0332UT/02 DECEMBER 2023 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. Maximum usable frequency (MUF) depressions of 30-50% have been observed throughout the Australian region on 02-Dec due to recent geomagnetic activity. Additional milder depressions are expected on 04-Dec. DEGRADED HF PROPAGATION CONDITIONS EXPECTED FROM 02-04 DECEMBER 2023 IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND _____________________________________________________________ HF COMMUNICATIONS FORECAST (AUSTRALIAN/NEW ZEALAND REGION) FREQUENCY BANDS T-index MUFs 2 4 6 8 12 16 22 26 _____________________________________________________________ 02 Dec: -20 -35% 2 4 4 6 8 8 12 12 03 Dec: 90 normal/-15% 2 4 6 8 12 12 16 22 04 Dec: 75 normal/-15% 2 4 6 8 12 12 16 22

Please note this icon refers to any current HF Depression Warning. For HF Fadeout Warnings, see here.

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