[Ips-dhfpr] IPS Daily HF Prop Report - 18 June 11

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 18/2330Z JUNE 2011 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    51    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Depressed by 20% during local day,
      Depressed by 25% 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 20% over the UT day.

PCA Event : No event.

Predicted Monthly T index for June:  53
2. FORECAST (19 JUNE - 21 JUNE)
Date   T index  Conditions       MUFs                              
19 Jun    48    Normal           near predicted monthly values 
20 Jun    45    Normal-fair      near predicted monthly values/depressed 
                                 05 to 15%     
21 Jun    42    Normal-fair      near predicted monthly values/depressed 
                                 5 to 20%    
COMMENT: Periods of minor MUF depressions were observed in most 
locations today. HF conditions may be expected to stay mostly 
normal on 19 June. Minor to mild degradations may be possible 
on 20 and 21 June due to an expected enhancement in geomgnetic 
activity levels during this period. 
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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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