[Ips-dhfpr] IPS Daily HF Prop Report - 19 August 03

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 19/2330Z AUGUST 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 AUGUST) 
Date   T index  Conditions    
19 Aug    19    Fair-poor      

Flares    Max     Fadeout    Freq.  Sectors
 M2/1N    0759UT  possible   lower  Mid East/Indian
 M2/2F    1006UT  possible   lower  European

MUFs:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      otherwise depressed by 10-20% at times.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 45% during local day,
      Depressed by 25% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Depressed 10-20% to near predicted monthly values. 


PCA Event : No event.

Predicted Monthly T index for August:  60
2. FORECAST (20 AUGUST - 22 AUGUST)
Date   T index  Conditions       MUFs                              
20 Aug    55    Poor-normal      depressed 15 to 30%/near predicted 
                                 monthly values 
21 Aug    65    Normal-fair      near predicted monthly values     
22 Aug    75    Normal           5 to 10% above predicted monthly 
                                 values    
COMMENT: Significant depressions have been observed for all latitudes 
during 19 August as the result of recent geomagnetic activity. 
Mild depressions are again possible for 20 August with HF conditions 
slowly returning to normal. 

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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