[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 02/76
ISSUED AT 07/2317Z DECEMBER 2002
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FOR 08 DECEMBER 2002

SOUTHERN AUS/NZ MUFS DEPRESSED 10-30% AFTER LOCAL DAWN TODAY.
DEPRESSED CONDITIONS LIKELY TO PERSIST TODAY DUE TO CORONAL
HOLE EFFECTS.

IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
-------------------------------------------------------------
SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
08 Dec:  low                  None expected        

HF COMMUNICATIONS FORECAST (AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS  
       T-index  MUFs          2  4  6  8 12 16 22 26
-------------------------------------------------------------
8 Dec   26    -20%/normal    2  4  6  8  8 12 16 16 

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 
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