[Ips-dhfpr] IPS Daily HF Prop Report - 10 September 02

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 10/2330Z SEPTEMBER 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (10 SEPTEMBER) 
Date   T index  Conditions    
10 Sep   146    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  M3.1    1456UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Equatorial PNG Region:
      Enhanced by 20-50%.
   Northern Australian Region:
      Enhanced by 15-40%.
   Southern Australian and New Zealand Region:
      Enhanced by 30%, becoming depressed 15%
      after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.
      Some spread and absorption observed.


PCA Event : No event.

Predicted Monthly T index for September:  96
2. FORECAST (11 SEPTEMBER - 13 SEPTEMBER)
Date   T index  Conditions       MUFs                              
11 Sep    80    Fair-Normal      Depressed 15% southern region.
11 Sep   140    Normal           Enhanced 20% northern region. 
12 Sep   100    Fair-Normal      Depressed 10 to 15%/near predicted 
				 monthly values.
13 Sep   130    Normal           Near predicted monthly values 

COMMENT: IPS HF Communications Warning 45 was issued on 10 September 
and is current for interval 10-12 September (SWFs) . Mild depression 
observed after local dawn southern region. MUF's in northern 
Australia region are currently enhanced 15-20%. A further mild 
degradation in HF conditions may be experienced by southern region 
HF communicators over next few days. 

IPS Radio and Space Services      | email: asfc at ips.gov.au
PO Box 1386                       | WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au 
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