[Ips-dhfpr] IPS Daily HF Prop Report - 17 January 06

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 17/2330Z JANUARY 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (17 JANUARY) 
Date   T index  Conditions    
17 Jan    10    Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Variably enhanced/depressed over the UT day.
   Southern Australian and New Zealand Region:
      Depressed by 15% over the UT day.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for January:  18
2. FORECAST (18 JANUARY - 20 JANUARY)
Date   T index  Conditions       MUFs                              
18 Jan     5    Normal           10% below predicted monthly 
                                 values / Variable enhancements 
                                 and depressions 
19 Jan     0    Normal           About 15% below predicted monthly 
                                 values / Variable enhancements 
                                 and depressions     
20 Jan    10    Normal           Near predicted monthly values    

COMMENT: The ionosphere showed significant variability over the 
UT day. The Northern Australia region in particular showed both 
large enhancements and depressions, while in the Southern Australia 
and NZ regions, MUFs generally remained near monthly mean values. 
Ionospheric conditions are expected to remain highly variable 
over the next 24 hours and there is the possibility of further 
depressions on 19 Jan. 

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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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