[Ips-dhfpr] IPS Daily HF Prop Report - 18 April 09

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 18/2330Z APRIL 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 APRIL) 
Date   T index  Conditions    
18 Apr     3    Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values over the UT day.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% during local day. 
      Near predicted monthly values during local night
      when ionogram trace visible.

PCA Event : No event.

Predicted Monthly T index for April:   3
2. FORECAST (19 APRIL - 21 APRIL)
Date   T index  Conditions       MUFs                              
19 Apr     5    Normal           near predicted monthly values 
20 Apr     5    Normal           Near predicted monthly values     
21 Apr     5    Normal           Near predicted monthly values    
COMMENT: Noted sporadic E late in the local day at Niue. Isolated 
cases of sporadic E at Cocos Island and Hobart showed blanketing 
sporadic E between 11-18 UT. 
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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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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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