[Ips-dhfpr] IPS Daily HF Prop Report - 14 December 08

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 14/2330Z DECEMBER 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (14 DECEMBER) 
Date   T index  Conditions    
14 Dec   -22    Normal-fair    

Flares: None

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values at Vanimo. At Niue,
      frequencies were 15-30% depressed with depressions to
      40% 12-15 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to 30%
      at Townsville 09-14 UT and to 40% at Darwin 16-20 UT.
      At Cocos Is. frequencies were near predicted to 30%
      depressed.
   Southern Australian and New Zealand Region:
      At Brisbane and Norfolk Is., frequencies were 15-35%
      depressed until 17 UT then near predicted. At
      Learmonth, frequencies were near predicted until 13 UT
      then depressed to 40%. At other stations, frequencies
      were near predicted to 20% depressed.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values. Depressions to 40%
      observed at Macquarie Is. 12-16 UT.

PCA Event : No event.

Predicted Monthly T index for December:   4
2. FORECAST (15 DECEMBER - 17 DECEMBER)
Date   T index  Conditions       MUFs                              
15 Dec   -35    Normal-fair      Near predicted monthly values 
                                 to 30% depressed. 
16 Dec   -35    Normal-fair      Near predicted monthly values 
                                 to 30% depressed.     
17 Dec   -35    Normal-fair      Near predicted monthly values 
                                 to 30% depressed.    

COMMENT: Sporadic E observed at times, mostly at mid-latitudes. 
Sporadic E may degrade or disrupt F region communications at 
times. 
----------------------------------------------------------
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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