[Ips-dhfpr] IPS Daily HF Prop Report - 10 April 09

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 10/2330Z APRIL 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (10 APRIL) 
Date   T index  Conditions    
10 Apr     6    Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Variable conditions during local night.
   Northern Australian Region:
      Depressed 10-20% at times otherwise mostly near
      predicted monthly values during local day,
      Enhanced by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed 15% to near predicted monthly values.

PCA Event : No event.

Predicted Monthly T index for April:   3
2. FORECAST (11 APRIL - 13 APRIL)
Date   T index  Conditions       MUFs                              
11 Apr     0    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values 
12 Apr     0    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values     
13 Apr     0    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values    

COMMENT: Isolated depressions of 10-20% were observed at times 
primarily during the local day in northern regions, otherwise 
ionospheric conditions were mostly normal to enhanced during 
the past 24 hours. Spread-F and Sporadic-E conditions were observed 
at most stations during the past 24 hours. Similar ionospheric 
conditions are expected for the next few days. 
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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.

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