[Ips-dhfpr] IPS Daily HF Prop Report - 28 October 07

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 28/2330Z OCTOBER 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (28 OCTOBER) 
Date   T index  Conditions    
28 Oct   -20    Fair-normal    

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Depressed by 45% during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Mostly 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:  10
2. FORECAST (29 OCTOBER - 31 OCTOBER)
Date   T index  Conditions       MUFs                              
29 Oct   -15    Normal           depressed 10 to 30%/near predicted 
                                 monthly values 
30 Oct   -10    Normal           depressed 10 to 20%/near predicted 
                                 monthly values     
31 Oct   -10    Normal           depressed 10 to 20%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 24 was issued on 28 October 
and is current for interval 29 October only. Significant depressions 
observed Equatorial/N Aus regions over the UT day. Intervals 
of spread-F conditions observed S Aus/NZ/Antarctic regions. Variable 
depressions possible Equatorial/N Aus regions. Disturbances possible 
S Aus/NZ/Antarctic regions day one in association with elevated 
geomagnetic activity. 
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For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

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