[Ips-dhfpr] IPS Daily HF Prop Report - 20 February 12 issued 2355 UT on 20 Feb 2012

rwc rwc at ips.gov.au
Tue Feb 21 10:55:20 EST 2012


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z FEBRUARY 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 FEBRUARY) 
Date   T index  Conditions    
20 Feb    73    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Predicted Monthly T index for February:  80
2. FORECAST (21 FEBRUARY - 23 FEBRUARY)
Date   T index  Conditions       MUFs                              
21 Feb    75    Normal-fair      Near predicted monthly values/depressed 
                                 5 to 20%
22 Feb    80    Normal           Near predicted monthly values    
23 Feb    80    Normal           Near predicted monthly values   

COMMENT: MUFs were generally near predicted monthly values with 
depressions seen at high latitudes. Enhanced geomagnetic activity 
levels seem to be causing some depressions in MUF at the time 
of this report. These depressions may continue for the next 24 
hours. Mostly normal HF conditions may be expected on 22 and 
23 February.

----------------------------------------------------------
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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tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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