[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 02/73
ISSUED AT 23/2219Z NOVEMBER 2002
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

SOUTHERN REGION UAS/NZ MUFS DEPRESSED
10-20% AFTER LOCAL DAWN THIS MORNING.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FOR 24 NOVEMBER 2002 SOUTHERN AUS/NZ ONLY.

NORTHERN AUS REGION MUFS CURRENTLY ENHANCED 20%.
NORTHER REGION HF COMMUNICATORS SHOULD USE A T OF 110.

IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
-------------------------------------------------------------
SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
24 Nov:  low to moderate      Possible             

HF COMMUNICATIONS FORECAST (SOUTHERN AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS  
       T-index  MUFs          2  4  6  8 12 16 22 26
-------------------------------------------------------------
24 Nov   50    -15%           2  4  6  8 12 12 16 22 


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