[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 03/54
ISSUED AT 27/2318Z JULY 2003
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 28-29 JULY 2003 S. AUS/NZ/ANTARCTIC REGIONS.
OTHER REGIONS NEAR PREDICTED MONTHLY VALUES.
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
28 Jul:  low                  None expected        
29 Jul:  low                  None expected        

HF COMMUNICATIONS FORECAST (S. AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS  
       T-index  MUFs          2  4  6  8 12 16 22 26
_____________________________________________________________
28 Jul   24    -20%           2  4  6  8  8 12 16 16 
29 Jul   24    -20%           2  4  6  8  8 12 16 16 


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