[Ips-dhfpr] IPS Daily HF Prop Report - 20 January 05

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z JANUARY 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 JANUARY) 
Date   T index  Conditions    
20 Jan    60    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  X7.1    0701UT  probable   all    Mid East/Indian

MUFs:
   Equatorial PNG Region:
      No data available during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Enhanced by 25% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Proton event in progress, increased absorption observed.

PCA Event : 10Mev Proton/PCA Event Began 16 01 2005 0220UT and is in progress

Predicted Monthly T index for January:  32
2. FORECAST (21 JANUARY - 23 JANUARY)
Date   T index  Conditions       MUFs                              
21 Jan    50    Fair-normal      near predicted monthly values 
22 Jan    50    Fair-poor        near predicted monthly values     
23 Jan    10    Fair             depressed 15 to 20%/near predicted 
                                 monthly values    
COMMENT: Depressed MUFs observed early in local day yesterday 
in Austalian region. MUFs expected to be near to 15% above monthly 
predicted values today. Depression is possible on 23 January 
due to possible arrival of mass ejection following X7 flare. 
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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->
Gloassary on Solar Terrestrial Terms.

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