[Ips-dhfpr] IPS Daily HF Prop Report - 10 October 12 issued 2334 UT on 10 Oct 2012

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SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/10 OCTOBER 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (10 OCTOBER) 
Date   T index  Conditions    
10 Oct    26    Fair           

Flares    Max     Fadeout    Freq.  Sectors
 M1/-- 09/2331UT  possible   lower  West Pacific

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
      Depressed by 25% after local dawn.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 40% during local day.
      Depressed by 40% during local night.
      Depressed by 35% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 25% over the UT day.

PCA Event : No event.

Predicted Monthly T index for October:  81


2. FORECAST (11 OCTOBER - 13 OCTOBER)
Date   T index  Conditions       MUFs                              
11 Oct    40    Normal-fair      20 to 30% below predicted monthly 
                                 values
12 Oct    45    Normal           15 to 20% below predicted monthly 
                                 values    
13 Oct    50    Normal           15 to 20% below predicted monthly 
                                 values   

COMMENT: IPS HF Communications Warning 33 was issued on 9 October 
and is current for 10-11 Oct. Significant MUF depressions continued 
across all S.Aus/NZ/Antarctic sites 10-Oct, as the ionosphere 
slowly recovers from a period of sustained geomagnetic activity. 
N.Aus/equatorial sites were depressed overnight, but near expected 
values during the day. Expect continuing moderate-strong MUF 
depressions 11-12 Oct, particularly at S.Aus/NZ locations, as 
the ionosphere gradually returns to pre-storm support.

----------------------------------------------------------
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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