[Ips-dhfpr] IPS Daily HF Prop Report - 15 November 07

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 15/2330Z NOVEMBER 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (15 NOVEMBER) 
Date   T index  Conditions    
15 Nov   -31    Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Depressed by up to 15% during local day, 
      Depressed by up to 45% during local night.
   Northern Australian Region:
      Depressed by 20% during local day,
      Depressed by 30% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% over the UT day.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day. 

PCA Event : No event.

Predicted Monthly T index for November:  11
2. FORECAST (16 NOVEMBER - 18 NOVEMBER)
Date   T index  Conditions       MUFs                              
16 Nov   -26    Normal           15 to 30% below predicted monthly 
                                 values 
17 Nov   -26    Normal           15 to 30% below predicted monthly 
                                 values     
18 Nov   -20    Normal           15 to 30% below predicted monthly 
                                 values    

COMMENT: IPS HF Communications Warning 30 was issued on 15 November 
and is current for interval 16-18 November. Widespread depressions 
in MUFs continue across Australian/ NZ/SW-Pacific region due 
to lack of solar ionisation. Depressions of up to 45% were observed 
at some equatorial stations overnight. Expect regional ionosphere 
to remain depressed for at least next three days. 

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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.

IPS Radio and Space Services        email: asfc at ips.gov.au
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