[Ips-dhfpr] IPS Daily HF Prop Report - 20 December 11 issued 2328 UT on 20 Dec 2011

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SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z DECEMBER 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 DECEMBER) 
Date   T index  Conditions    
20 Dec   122    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 30% during local night.
      Enhanced by 20% after local dawn.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

PCA Event : No event.

Predicted Monthly T index for December:  71
2. FORECAST (21 DECEMBER - 23 DECEMBER)
Date   T index  Conditions       MUFs                              
21 Dec   120    Normal           0 to 20% above predicted monthly 
                                 values
22 Dec   120    Normal           0 to 20% above predicted monthly 
                                 values    
23 Dec   110    Normal           0 to 15% above predicted monthly 
                                 values   

COMMENT: Generally enhanced MUFs were observed over most of the 
Australian region during the last 24 hours. Normal HF conditions 
with MUF enhancements are expected for the next 3 days.

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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.

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