[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 06/15
ISSUED AT 26/0547Z SEPTEMBER 2006
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Northern Australian region MUFS depressed 30% since 
03UT. The cause of this depression is unclear. Northern 
Aust region MUFS may remain depressed for remainder of today.



DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FOR 26 SEPTEMBER 2006
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
_____________________________________________________________

HF COMMUNICATIONS FORECAST (NORTHERN AUSTRALIAN REGION)
                                   FREQUENCY BANDS  
       T-index  MUFs          2  4  6  8 12 16 22 26
_____________________________________________________________
26 Sep  -20    -20%           2  4  6  6  8 12 16 16 


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