[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 05/01
ISSUED AT 13/0353Z JANUARY 2005
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

SOUTHERN AUS/NZ MUFS DEPRESSED 15% AFTER LOCAL
DAWN THIS MORNING. NORTHER AUS REGION MUFS NEAR
PREDICTED MONTHLY VALUES.

DEGRADED HF PROPAGATION CONDITIONS NOW EXPECTED
FROM 13-14 JANUARY 2005 SOUTHERN AUS/NZ REGION
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
13 Jan:  Low to moderate      Possible             
14 Jan:  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
_____________________________________________________________
13 Jan   10    -10 to 15%     2  4  6  8 12 16 16 22 
14 Jan   10    -10 to 15%     2  4  6  8 12 16 16 22 


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