[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 03/72
ISSUED AT 21/2321Z OCTOBER 2003
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

DEPRESSED AND DEGRADED HF PROPAGATION CONDITIONS 
EXPECTED FOR 22 OCTOBER 2003 SOUTHERN AUS/NZ 
REGION ONLY. NORTHERN AUS REGION MUFS ARE CURRENTLY 
NEAR PREDICTED MONTHLY VALUES AND HF COMMUNICATORS
WITHIN THIS REGION SHOULD USE A T INDEX OF 60.

IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
22 Oct:  moderate to high     Probable             

HF COMMUNICATIONS FORECAST (SOUTHERN AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS  
       T-index  MUFs          2  4  6  8 12 16 22 26
_____________________________________________________________
22 Oct   30    -15% to -20%   2  4  6  8 12 12 16 22 


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