[Ips-dhfpr] IPS Daily HF Prop Report - 19 December 10

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 19/2330Z DECEMBER 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 DECEMBER) 
Date   T index  Conditions    
19 Dec    11    Fair-normal    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values with depressions to 25%
      00-03, 23 UT and to 35% 22 UT. No data 16-21 UT.
   Niue Island Region:
      Near predicted monthly values with depressions to 20%
      17-18 and 23 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to 30%
      17-23 UT at Darwin and to 25% 01-02, 13 and 22-23 UT
      at Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Depressions to 30% mostly
      00-05, 09-13 and 18-23 UT at Brisbane and Norfolk Is.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with depressions to 30%
      14-16 UT Macquarie Is. and to 20% 07-10 UT at Mawson.

PCA Event : No event.

Predicted Monthly T index for December:  34

2. FORECAST (20 DECEMBER - 22 DECEMBER)
Date   T index  Conditions       MUFs                              
20 Dec    15    Normal           Near predicted monthly values 
                                 to 25% depressed. 
21 Dec    15    Normal           Near predicted monthly values 
                                 to 25% depressed.     
22 Dec    15    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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