[Ips-dhfpr] IPS Daily HF Prop Report - 25 February 07

rwc rwc at ips.gov.au
Mon Feb 26 10:44:18 EST 2007


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 25/2330Z FEBRUARY 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (25 FEBRUARY) 
Date   T index  Conditions    
25 Feb    29    Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for February:  11
2. FORECAST (26 FEBRUARY - 28 FEBRUARY)
Date   T index  Conditions       MUFs                              
26 Feb    11    Normal-fair      Mostly near predicted monthly 
                                 values earily in the UT day. 
                                 Likely mild depressions to occur 
                                 later in the UT day, 15-40%. 
27 Feb     0    Fair             depressed 10 to 20%/near predicted 
                                 monthly values     
28 Feb     6    Fair-normal      depressed 10 to 20%/near predicted 
                                 monthly values    

COMMENT: IPS HF Communications Warning 6 was issued on 23 February 
and is current for interval 26-28 February. Expect mostly normal 
HF conditions to prevail in the Australian region until late 
in the UT day (26 Feb) when geomagnetic storm disturbances effect 
the ionosphere causing mild depressions. Mild depressions will 
slowly ease over the next several days. 
----------------------------------------------------------
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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