[Ips-dhfpr] IPS Daily HF Prop Report - 25 April 03

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 25/2330Z APRIL 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (25 APRIL) 
Date   T index  Conditions    
25 Apr    75    Fair-normal    

Flares    Max     Fadeout    Freq.  Sectors
 M1/SF    0540UT  possible   lower  E. Asia/Aust.

MUFs:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day
      with periods of significant depressions and
      degradations.


PCA Event : No event.

Predicted Monthly T index for April:  77
2. FORECAST (26 APRIL - 28 APRIL)
Date   T index  Conditions       MUFs                              
26 Apr    80    Normal-fair      depressed 5 to 10%/near predicted 
                                 monthly values 
27 Apr    70    Fair             Depressed 5-10%.     
28 Apr    73    Fair             Depressed 5-10%.    
COMMENT: IPS HF Communications Warning 29 was issued on 
24 April and is current for interval 25-26 April. Mild 
to moderate depressions are possible at times over the 
next few days due to anticipated elevated geomagnetic 
activity. 

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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