[Ips-dhfpr] IPS Daily HF Prop Report - 11 September 11

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 11/2330Z SEPTEMBER 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 SEPTEMBER) 
Date   T index  Conditions    
11 Sep    59    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day,
      Depressed by 35% during local night.
   Niue Island Region:
      Mostly near predicted monthly values,
      Enhanced by 40% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

PCA Event : No event.

Predicted Monthly T index for September:  62
2. FORECAST (12 SEPTEMBER - 14 SEPTEMBER)
Date   T index  Conditions       MUFs                              
12 Sep    55    Normal           Near predicted monthly values 
13 Sep    55    Normal           Near predicted monthly values     
14 Sep    50    Normal           Near predicted monthly values/depressed 
                                 10 to 20%    
COMMENT: IPS HF Communications Warning 40 was issued on 11 September 
and is current for interval 11-12 September (SWFs) . Mostly normal 
HF conditions were observed today with periods of MUF enhancements. 
Nearly similar conditions may be expected for the next 3 days 
with the possibility of minor degradations on high latitude due 
to the possibility of enhancements in geomagnetic activity. 
----------------------------------------------------------
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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