[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 03/95
ISSUED AT 08/2341Z DECEMBER 2003
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 09-11 DECEMBER 2003 DUE TO GEOMAGNETIC
ACTIVITY INDUCED BY CORONAL HOLE HIGH SPEED
WIND STREAM.

IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
09 Dec:  low                  None expected        
10 Dec:  low                  None expected        
11 Dec:  low                  None expected        

HF COMMUNICATIONS FORECAST (SOUTHERN AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS  
       T-index  MUFs          2  4  6  8 12 16 22 26
_____________________________________________________________
09 Dec   10    -20%           2  4  6  8  8 12 16 16 
10 Dec   40    -15%           2  4  6  8 12 12 16 22 
11 Dec   40    -15%           2  4  6  8 12 12 16 22 


IPS Radio and Space Services      | email: asfc at ips.gov.au
PO Box 1386                       | WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060 

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