[Ips-dhfpr] IPS Daily HF Prop Report - 24 November 01

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SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 24/2330Z NOVEMBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (24 NOVEMBER) 
Date   T index  Conditions    
24 Nov    73    Normal-poor    

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Proton event in progress, increased absorption observed.


Predicted Monthly T index for November: 109
2. FORECAST (25 NOVEMBER - 27 NOVEMBER)
Date   T index  Conditions       MUFs                              
25 Nov    50    Poor-fair        10 to 30% below predicted monthly 
                                 values 
26 Nov   100    Fair-normal      depressed 10 to 15%/near predicted 
                                 monthly values     
27 Nov   120    Normal           Near predicted monthly values    
COMMENT: IPS HF Communications Warning 76 was issued on 24 November 
and is current for interval 25 November only. Strongly degraded/depressed 
HF conditions observed overnight due to earlier than expected 
arrival of geomagnetic activity. Strongly depressed MUfs expected 
for today, recovering toward end of UT day. 

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