[Ips-dhfpr] IPS Daily HF Prop Report - 15 December 08

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 15/2330Z DECEMBER 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (15 DECEMBER) 
Date   T index  Conditions    
15 Dec   -36    Normal-fair    

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Depressed by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Depressed by 20% during local night.
   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:   4
2. FORECAST (16 DECEMBER - 18 DECEMBER)
Date   T index  Conditions       MUFs                              
16 Dec   -35    Normal-fair      near predicted monthly values/depressed 
                                 10 to 25% 
17 Dec   -35    Normal-fair      near predicted monthly values/depressed 
                                 10 to 25%     
18 Dec   -35    Normal-fair      near predicted monthly values/depressed 
                                 10 to 25%    
COMMENT: IPS HF Communications Warning 24 was issued on 15 December 
and is current for interval 15-16 December. Depressed conditions 
observed for all regions during the last 24 hours. Sporadic E 
observed for Northern AUS/Equatorial regions. Occasional periods 
of normal ionospheric support observed for Southern AUS/NZ regions 
and disturbed conditions for Antarctic regions. Similar conditions 
are expected for the next few days with MUF depressions of 10%-25%. 
----------------------------------------------------------
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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