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

rwc rwc at ips.gov.au
Thu Dec 17 10:33:20 EST 2009


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

1. SUMMARY (16 DECEMBER) 
Date   T index  Conditions    
16 Dec   -12    Fair-normal    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values. Depressions to 15% 01,
      02 and 16-17 UT.
   Niue Island Region:
      Near predicted monthly values withe depressions to 30%
      00-05 and 19-22 UT.
   Northern Australian Region:
      Near predicted monthly values. Depressions to 35% at
      Darwin 03-06, 08-11 and 16-20 UT. Depressions to 25%
      at Townsville 03-05, 17, 18 UT. Sporadic E observed
      11-12 and 16 UT at Darwin and 16-29 UT at Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Depressions to 30% at
      Brisbane (00-02, 04-06, 11-14 and 18-22 UT), Norfolk Is. 
      (02-05, 09-15 UT) Hobart (21-23 UT) and Christchurch
      (01, 07, 09 and 18-22 UT). Sporadic E observed at
      various times but mostly 00-09 and 15-23 UT, sometimes
      blanketing.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 15% depressed.
      Depressions to 30% at Macquarie Is. 12-16 UT.

PCA Event : No event.

Predicted Monthly T index for December:   1
2. FORECAST (17 DECEMBER - 19 DECEMBER)
Date   T index  Conditions       MUFs                              
17 Dec    -5    Fair-normal      Mostly near predicted monthly 
                                 values. Occasional depressions 
                                 to 30%. 
18 Dec    -5    Fair-normal      Mostly near predicted monthly 
                                 values. Occasional depressions 
                                 to 30%.     
19 Dec   -10    Fair-normal      Near predicted monthly values 
                                 to 20% depressed.    

COMMENT: Summertime sporadic E may affect communications at times. 

----------------------------------------------------------
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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