[Ips-dhfpr] IPS Daily HF Prop Report - 04 February 11

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 04/2330Z FEBRUARY 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 FEBRUARY) 
Date   T index  Conditions    
04 Feb    15    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Niue Island Region:
      Depressed by 15% during local day,
      Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      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 February:  38
2. FORECAST (05 FEBRUARY - 07 FEBRUARY)
Date   T index  Conditions       MUFs                              
05 Feb    10    Normal-Fair      near predicted monthly values/depressed 
                                 10 to 30% 
06 Feb    10    Normal           near predicted monthly values/depressed 
                                 10 to 30%     
07 Feb    20    Normal           near predicted monthly values/depressed 
                                 10 to 20%    
COMMENT: IPS HF Communications Warning 12 was issued on 4 February 
and is current for interval 5 February only. Mild depressions 
noted in Australian/NZ and Antarctic regions with the exception 
of minor enhancements in the northern Australian region during 
local night time hours. Expect mild depressions for the next 
two days due to an increase in geomagnetic activity, particularly 
at mid to high latitudes. Ocassional sporadic E was also present 
in the Australian region, this trend is likely to continue. 
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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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