[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 03/17
ISSUED AT 11/0051Z MARCH 2003
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

DEGRADED HF PROPAGATION CONDITIONS POSSIBLE FOR 11 MARCH 2003

Isolated depressions of 15-30% have been observed at times for
southern Australian regions. Further isolated depressions are
possible at times for the remainder of the local day for
southern regions.

IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
11 Mar:  low                  None expected        

HF COMMUNICATIONS FORECAST (AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS  
       T-index  MUFs          2  4  6  8 12 16 22 26
_____________________________________________________________
11 Mar   70    -20%/normal    2  4  6  8  8 12 16 16 


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