[Ips-dhfpr] IPS Daily HF Prop Report - 23 December 10

rwc rwc at ips.gov.au
Fri Dec 24 10:32:19 EST 2010


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 23/2330Z DECEMBER 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 DECEMBER) 
Date   T index  Conditions    
23 Dec    15    Normal         

Flares: none.

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

PCA Event : No event.

Predicted Monthly T index for December:  34
2. FORECAST (24 DECEMBER - 26 DECEMBER)
Date   T index  Conditions       MUFs                              
24 Dec    15    Normal           near predicted monthly values/depressed 
                                 10 to 20% 
25 Dec    15    Normal           near predicted monthly values/depressed 
                                 10 to 20%     
26 Dec    15    Normal           near predicted monthly values/depressed 
                                 10 to 20%    
COMMENT: MUFs were mildly depression at the mid to low latitudes, 
particularly at night, due to a decrease in ionising radiation 
resulting from very low solar activity for this period in the 
solar cycle. Note, seasonal sporadic E may degrade 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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