[Ips-dhfpr] IPS Daily HF Prop Report - 19 October 09

rwc rwc at ips.gov.au
Tue Oct 20 10:54:44 EST 2009


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 19/2330Z OCTOBER 2009 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    -6    Normal         

Flares: none.

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

PCA Event : No event.

Predicted Monthly T index for October:   1
2. FORECAST (20 OCTOBER - 22 OCTOBER)
Date   T index  Conditions       MUFs                              
20 Oct    -5    Normal           near predicted monthly values/depressed 
                                 10 to 20% 
21 Oct    -5    Normal           near predicted monthly values/depressed 
                                 10 to 20%     
22 Oct    -5    Normal           near predicted monthly values/depressed 
                                 10 to 20%    
COMMENT: Mostly normal HF conditions observed over the last 24 
hours. Depressed conditions during local day and night for Equatorial 
regions and during local day for Northern AUS regions. Enhanced 
conditions for Southern AUS/NZ regions. Similar conditions are 
expected for the next 3 days, with depressed periods for low 
latitudes and possible enhancements for mid latitudes. 
----------------------------------------------------------
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
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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