[Ips-dhfpr] IPS Daily HF Prop Report - 19 October 01

rwc rwc at ips.gov.au
Sat Oct 20 09:16:04 EST 2001


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 19/2330Z OCTOBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 OCTOBER) 
Date   T index  Conditions    
19 Oct   175    Normal         

Flares    Max     Fadeout    Freq.  Sectors
 X1/2B    0105UT  confirmed  all    West Pacific
 X1/2B    1630UT  probable   all    South American/
                                    Atlantic
 M5/1B    0943UT  possible   lower  Mid East/Indian

MUFs:
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Enhanced by 30% during local night.
  Northern Australian Region:
     Enhanced by 15% during local day,
     Enhanced by 45% during local night.
     Enhanced by 25% after local dawn.
  Southern Australian and New Zealand Region:
     Enhanced by 25% during local day,
     Enhanced by 45% during local night.
     Enhanced by 15% after local dawn.
  Antarctic Region (Casey/Scott Base):
     Enhanced by 55% over the UT day.


Predicted Monthly T index for October: 106
2. FORECAST (20 OCTOBER - 22 OCTOBER)
Date   T index  Conditions       MUFs                              
20 Oct   160    Normal           15-20% above predicted monthly 
                                 values 
21 Oct   120    Fair             Near predicted monthly values     
22 Oct    70    Fair-Poor        Depressed 15% after local dawn.    
COMMENT: IPS HF Communications Warning 58 was issued on 19 October 
and is current for interval 22-23 October. 

IPS Radio and Space Services      | email: asfc at ips.gov.au
PO Box 1386                       | WWW: http://www.ips.gov.au/asfc
Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au/users/asfc/ 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060 




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