[Ips-dhfpr] IPS Daily HF Prop Report - 10 December 04

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 10/2330Z DECEMBER 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (10 DECEMBER) 
Date   T index  Conditions    
10 Dec    60    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 55% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day
      with periods of degradations.

PCA Event : No event.

Predicted Monthly T index for December:  35
2. FORECAST (11 DECEMBER - 13 DECEMBER)
Date   T index  Conditions       MUFs                              
11 Dec    30    Normal-fair      near predicted monthly values/depressed 
                                 5 to 15% 
12 Dec    20    Fair-normal      depressed 10 to 20%/near predicted 
                                 monthly values     
13 Dec    45    Normal           Near predicted monthly values    
COMMENT: IPS HF Communications Warning 55 was issued on 
10 December and is current for interval 11-12 December. 
Minor to moderate depressions in MUFs and degradations in 
HF conditions may be observed during late hours on 11 December 
and also on 12 December across Aus/NZ regions. HF conditions 
are expected to return to normal thereafter. 
----------------------------------------------------------
For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary on Solar Terrestrial Terms.

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