[Ips-dhfpr] IPS Daily HF Prop Report - 02 April 01

rwc rwc at ips.gov.au
Tue Apr 3 09:39:33 EST 2001


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 02/2330Z APRIL 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
+++++ CORRECTED COPY +++++

1. SUMMARY (02 APRIL) 
Date   T index  Conditions    
02 Apr   148    Fair-normal    

Flares    Max     Fadeout    Freq.  Sectors
X1.4/1B    1014UT  probable   all    European
X1.1/--    1136UT  probable   all    European
Y1.7 (X17) 2151UT  possible   all    East Pacific

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
      Enhanced by 35% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
      Enhanced by 30% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


Predicted Monthly T index for April: 120
2. FORECAST (03 APRIL - 05 APRIL)
Date   T index  Conditions       MUFs                              
03 Apr   150    Normal           near predicted monthly values 
04 Apr   150    Fair-Poor        near predicted monthly values/depressed 
                                 10 to 20%     
05 Apr    90    Fair-Poor        depressed 20 to 50%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 17 was issued on 2 April 
and is current for interval 2-4 April (SWFs) . Strong fadeout 
observed after local dawn. Further strong short wave fadeouts 
eexpected today. Depressed conbitions likely on 05-06 Apr if 
magnetic storm activity eventuates on late 04-05 Apr from recent 
flare activity. 

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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