[Ips-dhfpr] IPS Daily HF Prop Report - 20 July 11

rwc rwc at ips.gov.au
Thu Jul 21 09:49:20 EST 2011


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z JULY 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 JULY) 
Date   T index  Conditions    
20 Jul    56    Normal         

Flares: ???

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day,
      Depressed by 25% during local night.
      Depressed by 20% after local dawn.
   Niue Island Region:
      No data available during local day,
      No data available 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):
      Depressed by 30% over the UT day.

PCA Event : No event.

Predicted Monthly T index for July:  56
2. FORECAST (21 JULY - 23 JULY)
Date   T index  Conditions       MUFs                              
21 Jul    50    Normal           Near predicted monthly values/depressed 
                                 10 to 20% 
22 Jul    50    Normal           Near predicted monthly values/depressed 
                                 10 to 20%     
23 Jul    45    Normal           near predicted monthly values/depressed 
                                 10 to 30%    
COMMENT: Mostly good propagation conditions were observed in 
the Australian region over the last 24 hours. Minor night time 
depressions observed over the Equatorial and Northern AUS regions. 
Generally weak ionosphere for the Antarctic region. Similar conditions 
are expected for the next 2 days. 
----------------------------------------------------------
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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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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