[Ips-dhfpr] IPS Daily HF Prop Report - 27 April 01

rwc rwc at ips.gov.au
Sat Apr 28 09:52:11 EST 2001


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 27/2330Z APRIL 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 APRIL) 
Date   T index  Conditions    
27 Apr   132    Normal         

Flares    Max     Fadeout    Freq.  Sectors
 M1/1F    1915UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values.
   Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


Predicted Monthly T index for April: 120
2. FORECAST (28 APRIL - 30 APRIL)
Date   T index  Conditions       MUFs                              
28 Apr   100    Normal-fair      near predicted monthly values/depressed 
                                 15 to 30% 
29 Apr    70    Fair-poor        15 to 30% below predicted monthly 
                                 values     
30 Apr   115    Normal-fair      depressed 5 to 15%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 29 was issued on 27 April 
and is current for interval 27-29 April (SWFs) . Degraded HF 
conditions are expected following the impact of a CME anticipated 
to arrive late in the UT day of 28 April. 

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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