[Ips-dhfpr] IPS Daily HF Prop Report - 09 August 12 issued 2349 UT on 09 Aug 2012

rwc rwc at ips.gov.au
Fri Aug 10 09:49:33 EST 2012


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

1. SUMMARY (09 AUGUST) 
Date   T index  Conditions    
09 Aug    81    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Depressed by 15% 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 (10 AUGUST - 12 AUGUST)
Date   T index  Conditions       MUFs                              
10 Aug    85    Normal           0 to 10% below predicted monthly 
                                 values
11 Aug    85    Normal           0 to 10% below predicted monthly 
                                 values    
12 Aug    85    Normal           0 to 15% below predicted monthly 
                                 values   

COMMENT: HF conditions were Normal with some nighttime depressions 
at low latitudes in the north due to prevailing neutral wind 
and electric field conditions in the equatorial anomaly. Expect 
similar conditions for 10-11 August. A high speed solar wind 
stream from a coronal hole should be effective 12 Aug, causing 
Unsettled geomagnetic conditions, possibly translating to slightly more 
suppressed MUFs.

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