[Ips-dhfpr] IPS Daily HF Prop Report - 18 June 12 issued 2331 UT on 18 Jun 2012

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/18 JUNE 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 JUNE) 
Date   T index  Conditions    
18 Jun    72    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 25% over the UT day.

PCA Event : No event.

Predicted Monthly T index for June:  78


2. FORECAST (19 JUNE - 21 JUNE)
Date   T index  Conditions       MUFs                              
19 Jun    65    Normal           Near predicted monthly values
20 Jun    75    Normal           Near predicted monthly values    
21 Jun    75    Normal           Near predicted monthly values   

COMMENT: Periods of sporadic-E and spread-F were observed in 
Northern and Southern Australia over the UT day, with poor ionospheric 
support in the Antarctic region. MUFs are expected to be mostly 
near monthly predicted values in the Australian region for the 
next 3 days, with some mild depressions likely.

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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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