[Ips-dhfpr] IPS Daily HF Prop Report - 17 December 03

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 17/2330Z DECEMBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (17 DECEMBER) 
Date   T index  Conditions    
17 Dec    70    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Enhanced by 15% over the UT day.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


PCA Event : No event.

Predicted Monthly T index for December:  50
2. FORECAST (18 DECEMBER - 20 DECEMBER)
Date   T index  Conditions       MUFs                              
18 Dec    80    Normal           about 10% above predicted monthly 
                                 values 
19 Dec    65    Normal           near predicted monthly values     
20 Dec    45    Normal-Fair      near predicted monthly values/depressed 
                                 5 to 10%    
COMMENT: IPS HF Communications Warning 97 was issued on 15 December 
and is current for interval 19-20 December. MUFs are expected 
to be generally near predicted monthly values over coming days. 
Another mild to moderately disturbed interval from a coronal 
hole wind stream is expected 19 to 20 Dec. 

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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