[Ips-dhfpr] IPS Daily HF Prop Report - 13 May 11

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 13/2330Z MAY 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (13 MAY) 
Date   T index  Conditions    
13 May    49    Normal         

Flares: none.

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

PCA Event : No event.

Predicted Monthly T index for May:  49
2. FORECAST (14 MAY - 16 MAY)
Date   T index  Conditions       MUFs                              
14 May    48    Normal           near predicted monthly values 
15 May    45    Normal           Near predicted monthly values 
                                 to 10% depressed.     
16 May    45    Normal           Near predicted monthly values 
                                 to 10% depressed.    
COMMENT: Mostly normal HF conditions, with isolated periods of 
presence of sporadic E-layer at low latitudes, were observed 
today. Nearly similar HF conditions may be expected for the next 
3 days with the possibility of periods of minor to mild degradations 
at high latitudes due to expected enhancements in geomagnetic 
activity levels during this period. 
----------------------------------------------------------
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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