[Ips-dhfpr] IPS Daily HF Prop Report - 23 December 06

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 23/2330Z DECEMBER 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 DECEMBER) 
Date   T index  Conditions    
23 Dec     4    Normal-fair    

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Depressed by 35% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values 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:  10
2. FORECAST (24 DECEMBER - 26 DECEMBER)
Date   T index  Conditions       MUFs                              
24 Dec     0    Normal           5 to 10% below predicted monthly 
                                 values 
25 Dec     0    Normal           5 to 10% below predicted monthly 
                                 values     
26 Dec     5    Normal           Near predicted monthly values    
COMMENT: Variable ionospheric conditions observed Equatorial/N 
Aus regions. Periods of persistent and intense sporadic-E Equatorial/Aus/NZ 
regions 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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