[Ips-dhfpr] IPS Daily HF Prop Report - 03 April 01

rwc rwc at ips.gov.au
Wed Apr 4 09:29:31 EST 2001


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 03/2330Z APRIL 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (03 APRIL) 
Date   T index  Conditions    
03 Apr   164    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
 M2/2F    1234UT  possible   lower  European
 X1/1N    0357UT  probable   all    E. Asia/Aust.
 M1/--    2323Ut  possible   lower  East Pacific

M1 observed at time of issue.
				    

MUFs:
   Equatorial PNG Region:
      Near to 25% enhanced.
   Northern Australian Region:
      Near to 25% enhanced.
   Southern Australian and New Zealand Region:
      Enhanced by 15%.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 40% over the UT day.
      Absortption observed.


Predicted Monthly T index for April: 120
2. FORECAST (04 APRIL - 06 APRIL)
Date   T index  Conditions       MUFs                              
04 Apr   150    Fair-Poor        near predicted monthly values/depressed 
                                 10 to 20% 
05 Apr    90    Fair-Poor        depressed 20 to 30%/near predicted 
                                 monthly values     
06 Apr    90    Normal-Fair      depressed 20 to 30%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 18 was issued on 3 April 
and is current for interval 4-6 April. Shortwave fadeouts expected 
on daylight HF circuits. Lower than normal MUfs likely 05-06 
April due to anticipated geomagnetic activity. Polar region HF 
comms affected by proton event. 

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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