[Ips-dhfpr] IPS Daily HF Prop Report - 24 December 06

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 24/2330Z DECEMBER 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (24 DECEMBER) 
Date   T index  Conditions    
24 Dec    -7    Normal-fair    

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Depressed by 20% during local day,
      Depressed by 25% during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Mostly 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:  10
2. FORECAST (25 DECEMBER - 27 DECEMBER)
Date   T index  Conditions       MUFs                              
25 Dec    -5    Normal-fair      10 to 20% below predicted monthly 
                                 values 
26 Dec    -5    Normal           10 to 20% below predicted monthly 
                                 values     
27 Dec    -5    Normal           10 to 20% below predicted monthly 
                                 values    
COMMENT: Variable ionospheric conditions observed Equatorial/N 
Aus regions. Periods of widespread, persistent and intense sporadic-E 
Equatorial/Aus regions mainly after local dawn. Weak ionospheric 
support local day/evening especially at mid Aus and S Ocean latitudes. 
Periods of disturbance Antarctic region in association with elevated 
geomagnetic activity. Expect similar conditions days one to two. 
Localised daytime enhancements/nightime depressions possible 
Equatorial/N Aus regions. General improvement anticipated at 
higher latitudes. 
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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.

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