[Ips-dhfpr] IPS Daily HF Prop Report - 22 October 09

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 22/2330Z OCTOBER 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 OCTOBER) 
Date   T index  Conditions    
22 Oct    16    Normal         

Flares: none.

MUFs:
   Cocos Island/Niue Island Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
      Enhanced by 35% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 20% during local night.
   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:   1
2. FORECAST (23 OCTOBER - 25 OCTOBER)
Date   T index  Conditions       MUFs                              
23 Oct    10    Normal           near predicted monthly values 
24 Oct     5    Normal           near predicted monthly values     
25 Oct     5    Normal           near predicted monthly values/depressed 
                                 10 to 20%    
COMMENT: Normal HF conditions observed over the last 24 hours. 
Depressed conditions during local day for Equatorial regions 
while Northern AUS and Southern AUS/NZ regions experienced enhanced 
conditions during local day and night. Normal ionospheric support 
for high latitudes. Continued sporadic E for low latitudes. Similar 
conditions are expected for the next 24 hours, with possible 
depressed periods for low latitudes and enhancements for mid 
latitudes. 
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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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