[Ips-dhfpr] IPS Daily HF Prop Report - 09 December 08

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 09/2330Z DECEMBER 2008 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   -36    Normal-fair    

Flares: None.

MUFs:
   Equatorial PNG/Niue Region:
      Frequencies at Vanimo were near predicted with
      depressions to 30% 10-16 UT. At Niue, frequencies
      were mostly 15-40% depressed with some night spread F.
   Northern Australian Region:
      Near predicted monthly values with depressions to 45%
      mostly 13-22 UT. At Townsville, frequencies mostly
      15-40% depressed with near predicted values 05-09 and
      18-22 UT.
   Southern Australian and New Zealand Region:
      Depressions to 40%. Near predicted monthly values at
      most stations 19-21 UT. Some sporadic E, mostly
      daytime.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values. Depressions to 40%
      observed at Macquarie Is, 12-16 UT.

PCA Event : No event.

Predicted Monthly T index for December:   4
2. FORECAST (10 DECEMBER - 12 DECEMBER)
Date   T index  Conditions       MUFs                              
10 Dec   -35    Normal-fair      Near predicted monthly values 
                                 to 30% depressed. 
11 Dec   -35    Normal-fair      Near predicted monthly values 
                                 to 30% depressed.     
12 Dec   -35    Normal-fair      Near predicted monthly values 
                                 to 30% depressed.    

COMMENT: IPS HF Communications Warning 22 was issued on 7 December 
and is current for interval 8-10 December. Depressions may occasionally 
be deeper than predicted. Sporadic E formation may disrupt or 
degrade F region communications at times. 
----------------------------------------------------------
For an explanation of some of the terms in this report, go to
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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