[Ips-dhfpr] IPS Daily HF Prop Report - 09 December 07

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 09/2330Z DECEMBER 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (09 DECEMBER) 
Date   T index  Conditions    
09 Dec   -20    Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
      Depressed by 30% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   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 (10 DECEMBER - 12 DECEMBER)
Date   T index  Conditions       MUFs                              
10 Dec   -15    Normal           about 10% below predicted monthly 
                                 values 
11 Dec   -15    Normal           about 10% below predicted monthly 
                                 values     
12 Dec   -10    Normal           Near predicted monthly values    
COMMENT: Significant MUF depressions were observed during local 
night time hours across Equatorial PNG and Northern Australian 
regions. Ionospheric support continues to recover slowly due 
to the recent increase in sunspot activity. 
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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
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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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