[Ips-dhfpr] IPS Daily HF Prop Report - 25 August 12 issued 2353 UT on 25 Aug 2012

rwc rwc at ips.gov.au
Sun Aug 26 09:53:55 EST 2012


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/25 AUGUST 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (25 AUGUST) 
Date   T index  Conditions    
25 Aug    66    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
      Depressed by 20% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 45% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      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 August:  77


2. FORECAST (26 AUGUST - 28 AUGUST)
Date   T index  Conditions       MUFs                              
26 Aug    57    Fair             Depressed 25%/near predicted 
                                 monthly values
27 Aug    60    Normal           Near predicted monthly values    
28 Aug    57    Normal-fair      Depressed 5 to 10%/near predicted 
                                 monthly values   

COMMENT: Periods of minor to mild MUF depressions were observed 
on low latitudes today. Minor to moderate MUF depressions may 
be observed on 26 and at times on 28 August in the Australian/NZ 
regions due to expected enhancements in geomagnetic activity 
levels on these days. HF conditions are expected to remain mostly 
normal on 27 August.

----------------------------------------------------------
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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