[Ips-dhfpr] IPS Daily HF Prop Report - 21 December 09

rwc rwc at ips.gov.au
Tue Dec 22 10:48:47 EST 2009


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z DECEMBER 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 DECEMBER) 
Date   T index  Conditions    
21 Dec     7    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values with periods of depressions and
degradations.
   Niue Island Region:
      Mostly near predicted monthly values,
      Depressed by 25% after local dawn with periods of degradations.
   Northern Australian Region:
      Near predicted monthly values with periods of degradations.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with periods of degradations.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day with periods of depressions
and
      degradations.

PCA Event : No event.

Predicted Monthly T index for December:   1
2. FORECAST (22 DECEMBER - 24 DECEMBER)
Date   T index  Conditions       MUFs                              
22 Dec     5    Normal-fair      Near predicted monthly values 
                                 with occasional depressions 
                                 to 20%. 
23 Dec     5    Normal-fair      Near predicted monthly values 
                                 with occasional depressions 
                                 to 20%.     
24 Dec     5    Normal-fair      Near predicted monthly values 
                                 with occasional depressions 
                                 to 20%.    
COMMENT: Minor to mild degradations in MUFs were observed across 
the Aus/NZ region today. Similar conditions may be expected for 
the next three days. 
----------------------------------------------------------
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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