[Ips-dhfpr] IPS Daily HF Prop Report - 19 June 11

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 19/2330Z JUNE 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 JUNE) 
Date   T index  Conditions    
19 Jun    41    Fair           

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day,
      Depressed by 25% during local night.
   Niue Island Region:
      Depressed by 15% during local day,
      Depressed by 30% during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   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 (20 JUNE - 22 JUNE)
Date   T index  Conditions       MUFs                              
20 Jun    40    Normal-fair      near predicted monthly values/depressed 
                                 10 to 25% 
21 Jun    40    Normal-fair      near predicted monthly values/depressed 
                                 10 to 25%     
22 Jun    40    Normal-fair      near predicted monthly values/depressed 
                                 10 to 25%    

COMMENT: Periods of minor to mild MUF depressions were 
observed in most locations today. Mild to moderate MUF 
depressions and degradations in HF conditions may be 
expected for the next 3 days due to an expected slight 
rise in geomagnetic activity levels during this 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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