[Ips-dhfpr] IPS Daily HF Prop Report - 21 June 11

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z JUNE 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 JUNE) 
Date   T index  Conditions    
21 Jun    45    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 15% during local day,
      Depressed by 20% during local night.
   Niue Island Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 25% 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 (22 JUNE - 24 JUNE)
Date   T index  Conditions       MUFs                              
22 Jun    50    Normal-fair      near predicted monthly values/depressed 
                                 10 to 25% 
23 Jun    55    Normal-fair      Near predicted monthly values 
                                 to 20% depressed at times.     
24 Jun    50    Normal           Near predicted monthly values 
                                 to 20% depressed at times.    
COMMENT: Mild depressions were observed at times in most areas 
over the last 24 hours. Periods of sporadic-E were observed in 
the northern region between 04 and 14UT. HF conditions are expected 
to improve to near normal conditions with occasional depressions 
from late on 22 June. 
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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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