[Ips-dhfpr] IPS Daily HF Prop Report - 25 December 02

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 25/2330Z DECEMBER 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (25 DECEMBER) 
Date   T index  Conditions    
25 Dec   109    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


PCA Event : No event.

Predicted Monthly T index for December:  90
2. FORECAST (26 DECEMBER - 28 DECEMBER)
Date   T index  Conditions       MUFs                              
26 Dec   100    Normal           near predicted monthly values 
27 Dec    90    Normal-Fair      near predicted monthly values/depressed 
                                 10 to 15%     
28 Dec    80    Normal-Fair      depressed 10 to 15%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 81 was issued on 25 December 
and is current for interval 28-29 December. Coronal hole induced 
geomagnetic activity may cause mild depression response in MUFs 
late 27 to 29 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