[Ips-dhfpr] IPS Daily HF Prop Report - 18 December 10

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 18/2330Z DECEMBER 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 DECEMBER) 
Date   T index  Conditions    
18 Dec     8    Fair-normal    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values. Depressions to 20%
      01-03, 17-18 UT.
   Niue Island Region:
      Near predicted monthly values. Depression to 25% at
      2100 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to 25%
      00, 07-11 and 21-22 UT at Darwin and 09-15 and 19-21 UT
      at Townsville. Depressions of 55% 19-20 UT at Darwin.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Depressions to 30%
      mostly 01-05 and 10-17 UT at Brisbane, Canberra,
      Norfolk Is. and Sydney.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

PCA Event : No event.

Predicted Monthly T index for December:  34
2. FORECAST (19 DECEMBER - 21 DECEMBER)
Date   T index  Conditions       MUFs                              
19 Dec    15    Fair-normal      Near predicted monthly values 
                                 to 25% depressed. 
20 Dec    15    Fair-normal      Near predicted monthly values 
                                 to 25% depressed.     
21 Dec    15    Fair-normal      Near predicted monthly values 
                                 to 25% depressed.    

COMMENT: Seasonal sporadic E may degrade communications at times. 

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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.

IPS Radio and Space Services        email: asfc at ips.gov.au
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