[Ips-dhfpr] IPS Daily HF Prop Report - 10 August 12 issued 2314 UT on 10 Aug 2012

rwc rwc at ips.gov.au
Sat Aug 11 09:14:02 EST 2012


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/10 AUGUST 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (10 AUGUST) 
Date   T index  Conditions    
10 Aug    72    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% 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 (11 AUGUST - 13 AUGUST)
Date   T index  Conditions       MUFs                              
11 Aug    80    Normal           Near predicted monthly values
12 Aug    80    Normal           Near predicted monthly values    
13 Aug    80    Normal           Near 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 11 August. A high speed solar wind stream 
from a coronal hole should be effective 12 Aug, causing Unsettled 
geomagnetic conditions, translating to slightly more suppressed 
MUFs. Spread F conditions continue during late local nighttime 
early morning hours for the Hobart region.

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