[Ips-dhfpr] IPS Daily HF Prop Report - 17 April 12 issued 2330 UT on 17 Apr 2012

rwc rwc at ips.gov.au
Wed Apr 18 09:30:15 EST 2012


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/17 APRIL 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (17 APRIL) 
Date   T index  Conditions    
17 Apr    71    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 25% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced by 25% during local day.
      Near predicted monthly values 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 April:  81


2. FORECAST (18 APRIL - 20 APRIL)
Date   T index  Conditions       MUFs                              
18 Apr    75    Normal           Near predicted monthly values
19 Apr    75    Normal           Near predicted monthly values    
20 Apr    75    Normal           Near predicted monthly values   

COMMENT: MUFs in equatorial regions were highly variable over 
the last day with no sustained depressed periods. In mainland 
regions MUFs were mostly near predicted monthly values with some 
mild overnight depressions in Northern Australia. MUFs are expected 
to be remain near predicted monthly values for the remainder 
of the forecast period.

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