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HomeHF SystemsAustralasiaHF ConditionsHF Communications Warning Saturday, Dec 15 2018 06:29 UT
Australasia

HF Communications Warning

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(last updated 15 Dec 2018 06:15 UT)

SUBJ: SWS HF RADIO COMMUNICATIONS WARNING 18/26 ISSUED AT 2323UT/13 DECEMBER 2018 BY THE AUSTRALIAN SPACE FORECAST CENTRE. MUF depressions of 15% to 35% are expected for the UT days 14-15 December 2018 due to lower than predicted levels of ionising radiation from the Sun. DEGRADED HF PROPAGATION CONDITIONS EXPECTED FROM 14-15 DECEMBER 2018 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 _____________________________________________________________ 14 Dec: -40 -25% 2 4 6 8 8 12 16 16 15 Dec: -40 -25% 2 4 6 8 8 12 16 16

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