[Ips-dhfpr] IPS Daily HF Prop Report - 27 January 11

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 27/2330Z JANUARY 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 JANUARY) 
Date   T index  Conditions    
27 Jan     5    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 15% during local day,
      Depressed by 35% during local night.
   Niue Island Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
      Depressed by 25% after local dawn.
   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 during local day,
      Depressed by 20% during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Predicted Monthly T index for January:  37
2. FORECAST (28 JANUARY - 30 JANUARY)
Date   T index  Conditions       MUFs                              
28 Jan     1    Normal-fair      near predicted monthly values/depressed 
                                 5 to 20% 
29 Jan     1    Normal-fair      near predicted monthly values/depressed 
                                 5 to 20%     
30 Jan     1    Normal-fair      near predicted monthly values/depressed 
                                 5 to 20%    
COMMENT: Mostly normal to fair HF conditions were observed 
in the Aus/NZ regions today. Continued very low to low levels 
of solar activity seems to be the reason behind continued 
depressions in MUFs as less ionising radiation is reaching 
the ionosphere. Nearly similar conditions may be expected 
in this region for the next three days as no significant 
variation to the ionospheric conditions is expected during 
this period. 
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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
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