[Ips-dhfpr] IPS Daily HF Prop Report - 12 December 05

rwc rwc at ips.gov.au
Tue Dec 13 10:43:57 EST 2005


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 12/2330Z DECEMBER 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 DECEMBER) 
Date   T index  Conditions    
12 Dec   -24    Fair-normal    

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Northern Australian Region:
      Depressed by 25% during local day,
      Depressed by 25% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day,
      Depressed by 25% 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:  18
2. FORECAST (13 DECEMBER - 15 DECEMBER)
Date   T index  Conditions       MUFs                              
13 Dec    10    Normal           depressed 10 to 20%/near predicted 
                                 monthly values 
14 Dec    20    Normal           depressed 5 to 10%/near predicted 
                                 monthly values     
15 Dec    20    Normal           Near predicted monthly values    
COMMENT: IPS HF Communications Warning 46 was issued on 11 December 
and is current for interval 11-14 December. Depressed HF conditions 
where observed over the last 24 hours for all regions due to 
increased geomgnetic activity. These conditions are expected 
to improve over the next 24 hours with the decline in geomagnetic 
activity, but with possible disturbed periods for Southern Aus. 
and NZ regions. 
----------------------------------------------------------
For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary on Solar Terrestrial Terms.

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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