[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 02/80
ISSUED AT 23/2232Z DECEMBER 2002
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

OVERNIGHT GEOMAGNETIC ACTIVITY OBSERVED.
DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FORE FIRST HALF  24 DECEMBER 2002 SOUTHERN REGION
AUS/NZ ONLY.

IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
FOLLOW ON HF WARNING FROM HF WARNING: 79
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
24 Dec:  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 Dec   75    -15%/normal    2  4  6  8 12 12 16 22 


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