[Ips-dhfpr] IPS Daily HF Prop Report - 15 September 05

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 15/2330Z SEPTEMBER 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (15 SEPTEMBER) 
Date   T index  Conditions    
15 Sep     9    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  M1.3    0213UT  possible   lower  E. Asia/Aust.
  X1.2    0838UT  probable   all    Mid East/Indian
  M1.0    1913UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day,
      Depressed by 15% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Proton event in progress, increased absorption observed.

PCA Event : 10Mev Proton/PCA Event Began 14 09 2005 0100UT and is in progress

Predicted Monthly T index for September:  24
2. FORECAST (16 SEPTEMBER - 18 SEPTEMBER)
Date   T index  Conditions       MUFs                              
16 Sep    10    Fair-normal      Near predicted monthly values/depressed 
                                 5 to 10%. 
17 Sep    24    Normal           near predicted monthly values     
18 Sep    24    Normal           Near predicted monthly values    
COMMENT: IPS HF Communications Warning 37 was issued on 15 September 
and is current for interval 16-18 September (SWFs) . HF conditions 
may show mild degradations in southern Aus/NZ regions. 
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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.

IPS Radio and Space Services        email: asfc at ips.gov.au
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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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