[Ips-dhfpr] IPS Daily HF Prop Report - 19 October 07

rwc rwc at ips.gov.au
Sat Oct 20 09:49:29 EST 2007


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 19/2330Z OCTOBER 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 OCTOBER) 
Date   T index  Conditions    
19 Oct    -9    Normal-poor    

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Northern Australian Region:
      Depressed by 25% during local day,
      Near predicted monthly values 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):
      Mostly near predicted monthly values.

PCA Event : No event.

Predicted Monthly T index for October:  10
2. FORECAST (20 OCTOBER - 22 OCTOBER)
Date   T index  Conditions       MUFs                              
20 Oct   -10    Normal-poor      depressed 15 to 30%/near predicted 
                                 monthly values 
21 Oct    -5    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values     
22 Oct    -5    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 19 was issued on 19 October 
and is current for interval 20 October only. Significant depressions 
were observed at times during the past 24 hours primarily for 
Australian/Equatorial regions. Significant depressions are again 
expected at times for Australian/Equatorial regions for 20 October, 
otherwise mostly normal conditions are expected. 
----------------------------------------------------------
For an explanation of some of the terms in this report, goto
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
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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