[Ips-dhfpr] IPS Daily HF Prop Report - 23 November 09

rwc rwc at ips.gov.au
Tue Nov 24 10:25:07 EST 2009


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 23/2330Z NOVEMBER 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 NOVEMBER) 
Date   T index  Conditions    
23 Nov    -9    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day with
      periods of degradations. 

PCA Event : No event.

Predicted Monthly T index for November:   1
2. FORECAST (24 NOVEMBER - 26 NOVEMBER)
Date   T index  Conditions       MUFs                              
24 Nov    -9    Normal           Near predicted monthly values 
                                 to 10% depressed. 
25 Nov    -9    Normal           Near predicted monthly values 
                                 to 10% depressed.     
26 Nov   -12    Normal           Near predicted monthly values 
                                 to 15% depressed.    
COMMENT: HF conditions were variable over the past 24 hours, 
mostly normal in N.Aus and equatorial regions and normal to
fair in S.Aus. Very strong and at times blanketing sporadic-E
was observed at low and some mid latitude locations. MUFs were 
mostly near predicted monthly values with periods of minor 
depressions in S.Aus and the Antarctic regions. Mostly normal 
HF conditions may be expected across Aus/NZ regions for the 
next 3 days with some possibility of minor degradations on 26 
November in the southern parts of this region. 
----------------------------------------------------------
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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