[Ips-dhfpr] IPS Daily HF Prop Report - 09 February 12 issued 2332 UT on 09 Feb 2012

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 09/2330Z FEBRUARY 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (09 FEBRUARY) 
Date   T index  Conditions    
09 Feb    62    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Mostly near predicted monthly values.
   Niue Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for February:  80
2. FORECAST (10 FEBRUARY - 12 FEBRUARY)
Date   T index  Conditions       MUFs                              
10 Feb    65    Normal           Near predicted monthly values
11 Feb    55    Normal           Near predicted monthly values/depressed 
                                 10 to 20%    
12 Feb    60    Normal           Near predicted monthly values/depressed 
                                 0 to 10%   

COMMENT: Some mild periods of MUF depressions were observed, 
particularly in the northern Australian region. Slightly deeper 
depressions are possible on 11-Feb in response to an expected 
increase in geomagnetic activity following the onset of coronal 
hole effects.

IPS HF RADIO COMMUNICATIONS WARNING 12/06 is current for 10-Feb,
but ionospheric conditions have recovered more quickly than was
expected at the time it was issued.

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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.

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