[Ips-dhfpr] IPS Daily HF Prop Report - 12 August 11

rwc rwc at ips.gov.au
Sat Aug 13 09:51:35 EST 2011


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 12/2330Z AUGUST 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 AUGUST) 
Date   T index  Conditions    
12 Aug    41    Fair-normal    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day,
      Depressed by 25% during local night.
      Depressed by 25% after local dawn.
   Niue Island Region:
      Depressed by 20% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Depressed by 30% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to depressed by 
      20% over the UT day.

PCA Event : No event.

Predicted Monthly T index for August:  59

2. FORECAST (13 AUGUST - 15 AUGUST)
Date   T index  Conditions       MUFs                              
13 Aug    40    Normal           near predicted monthly values 
14 Aug    38    Normal           near predicted monthly values/depressed 
                                 5 to 15%     
15 Aug    32    Normal-fair      near predicted monthly values/depressed 
                                 5 to 25%    

COMMENT: Regional MUFs showed minor to mild depressions across 
the region. HF conditions are expected to stay mostly at normal 
levels on 13 August. Minor to mild degradations on 14 August 
and Minor to Moderate degradations on 15 August are possible 
due to expected enhancements in geomagnetic activity levels 
from late on 14 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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