[Ips-hf-warning] ASWFC HF COMMS WARNING issued 0328 UT on 10 Oct 2022 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 22/79
ISSUED AT 0322UT/10 OCTOBER 2022
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

South east Australian regional MUFs have remained 15-20% depressed 
after local dawn this morning following mild overnight geomagnetic
activity. West Australian coast and northern Australian MUFs currently 
enhanced by up to 20%.

DEGRADED HF PROPAGATION CONDITIONS NOW EXPECTED FOR SOUTHERN
AUSTRALIAN REGION ONLY FOR REST OF LOCAL DAY 10 OCTOBER 2022. 
NORTHERN AUSTRALIAN REGION MUFS CURRENTLY ENHANCED BY TO 15%.

IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
_____________________________________________________________

HF COMMUNICATIONS FORECAST (AUSTRALIAN/NEW ZEALAND REGION)
     Southern Aus. Region           FREQUENCY BANDS
       T-index      MUFs        2  4  6  8 12 16 22 26
_____________________________________________________________
10 Oct:   45        -20%        2  4  6  8  8 12 16 16

Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au