[Ips-dhfpr] IPS Daily HF Prop Report - 21 October 10

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z OCTOBER 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 OCTOBER) 
Date   T index  Conditions    
21 Oct    16    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values during local day,
      Depressed by 30% during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Variable conditions during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for October:  30
2. FORECAST (22 OCTOBER - 24 OCTOBER)
Date   T index  Conditions       MUFs                              
22 Oct    15    Normal           near predicted monthly values/depressed 
                                 10 to 20% 
23 Oct    15    Normal           near predicted monthly values/depressed 
                                 5 to 15%     
24 Oct    10    Normal           near predicted monthly values/depressed 
                                 10 to 20%    
COMMENT: Variable ionospheric support observed over the Australian 
region during the last 24 hours with depressed MUFs of 20% during 
local day observed for Northern AUS regions and occasional enhancements 
for Southern AUS/NZ regions during local day. Depressed conditions 
during local night for Equatorial regions. Similar variable conditions 
are expected for the next 3 days with depressed MUF's of ~20% 
possible for Northern AUS, Southern AUS/NZ and Antarctic regions 
during local day. 
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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.

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