[Ips-dhfpr] IPS Daily HF Prop Report - 18 November 09

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 18/2330Z NOVEMBER 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 NOVEMBER) 
Date   T index  Conditions    
18 Nov    -1    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Mostly near predicted monthly values,
   Niue Island Region:
      Mostly near predicted monthly values,
      Depressed by 25% 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 15% 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 November:   1
2. FORECAST (19 NOVEMBER - 21 NOVEMBER)
Date   T index  Conditions       MUFs                              
19 Nov     0    Normal           near predicted monthly values 
20 Nov    10    Normal-fair      near predicted monthly values     
21 Nov     0    Normal-fair      near predicted monthly values    

COMMENT: HF conditions were normal over the UT day with normal 
ionospheric support in the Australian and sub-Antarctic regions. 
Similar conditions expected 19 Nov. Some degraded HF conditions 
possible 20-21 Nov in response to enhanced geomagnetic activity, 
particularly at high latitudes. MUFs near predicted monthly values. 

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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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