[Ips-dhfpr] IPS Daily HF Prop Report - 12 January 06

rwc rwc at ips.gov.au
Fri Jan 13 10:01:16 EST 2006


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 12/2330Z JANUARY 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 JANUARY) 
Date   T index  Conditions    
12 Jan     2    Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day,
      Depressed by 30% during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values over the UT day.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for January:  18
2. FORECAST (13 JANUARY - 15 JANUARY)
Date   T index  Conditions       MUFs                              
13 Jan    -4    Normal           Depressed to 20% in the N.Aus/PNG 
                                 region / Near predicted monthly 
                                 values S.Aus/NZ/Antarctic regions. 
14 Jan     0    Normal           Depressed to 20% in the N.Aus/PNG 
                                 region / Near predicted monthly 
                                 values S.Aus/NZ/Antarctic regions.     
15 Jan     5    Normal           near predicted monthly values/depressed 
                                 10 to 20%    
COMMENT: The ionosphere showed some large depressions in the 
N.Aus/PNG regions, particularly overnight and in the early afternoon 
hours. Minor depressions were also evident during the day at 
some mid-latitude Australian stations, while the NZ,subAntarctic 
and Antarctic regions were mostly normal. These conditions are 
likely to continue for the next 24-48 hours. Jan 15 may see further 
depressions in the high latitude regions in response to elevated 
geomagnetic activity. 

----------------------------------------------------------
For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary on Solar Terrestrial Terms.

IPS Radio and Space Services        email: asfc at ips.gov.au
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tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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