[Ips-dhfpr] IPS Daily HF Prop Report - 17 December 07

rwc rwc at ips.gov.au
Tue Dec 18 10:52:11 EST 2007


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 17/2330Z DECEMBER 2007 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     7    Normal-fair    

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values,
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Enhanced by 25% during local day,
      Enhanced by 35% during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Enhanced by 45% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for December:   5
2. FORECAST (18 DECEMBER - 20 DECEMBER)
Date   T index  Conditions       MUFs                              
18 Dec   -10    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values 
19 Dec   -10    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values     
20 Dec   -10    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values    
COMMENT: Mild depressions are expected over the next few days 
due to declining solar activity and recent elevated geomagnetic 
activity. 
----------------------------------------------------------
For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Glossary 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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