[Ips-dhfpr] IPS Daily HF Prop Report - 16 December 10

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 16/2330Z DECEMBER 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (16 DECEMBER) 
Date   T index  Conditions    
16 Dec    19    Fair-normal    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values with depressions to 25%
      01-06 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to 20%
      03-04, 23 UT at Townsville and 21-23 UT at Darwin.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Depressions to 20%,
      00-06 UT at Brisbane, Norfolk Is. and Perth.
      Depressions to 30% 15-20 UT at Norfolk Is.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

PCA Event : No event.

Predicted Monthly T index for December:  34

2. FORECAST (17 DECEMBER - 19 DECEMBER)
Date   T index  Conditions       MUFs                              
17 Dec    20    Normal           near predicted monthly values 
18 Dec    25    Normal           near predicted monthly values     
19 Dec    20    Normal           near predicted monthly values    

COMMENT: IPS HF Communications Warning 32 was issued on 15
December and is current for interval 15-17 December. Expect
occasional depressions to about 20%. 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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