[Ips-dhfpr] IPS Daily HF Prop Report - 16 February 09

rwc rwc at ips.gov.au
Tue Feb 17 10:29:00 EST 2009


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 16/2330Z FEBRUARY 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (16 FEBRUARY) 
Date   T index  Conditions    
16 Feb    -9    Normal         

Flares: none.

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

PCA Event : No event.

Predicted Monthly T index for February:   6
2. FORECAST (17 FEBRUARY - 19 FEBRUARY)
Date   T index  Conditions       MUFs                              
17 Feb   -10    Normal           depressed 10 to 20%/near predicted 
                                 monthly values 
18 Feb   -10    Normal           depressed 10 to 20%/near predicted 
                                 monthly values     
19 Feb   -10    Normal           near predicted monthly values/depressed 
                                 10 to 20%    
COMMENT: IPS HF Communications Warning 5 was issued on 15 February 
and is current for interval 15-17 February. Slightly depressed 
conditions possible for the next three days. Blanketing sporadic 
E noted at high latitudes, particularly Horbart between 12-19UT, 
Macquarie Island between 13-19UT, and Casey between 16-18UT. 
All three during local night time hours. 
----------------------------------------------------------
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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