[Ips-dhfpr] IPS Daily HF Prop Report - 20 September 04

rwc rwc at ips.gov.au
Tue Sep 21 09:53:57 EST 2004


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z SEPTEMBER 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 SEPTEMBER) 
Date   T index  Conditions    
20 Sep    56    Normal         

Flares: none.

MUFs:
slightly above predicted monthly values


PCA Event : Began at 1950UT 19/09, Ended at 1220UT 20/09
 

Predicted Monthly T index for September:  38
2. FORECAST (21 SEPTEMBER - 23 SEPTEMBER)
Date   T index  Conditions       MUFs                              
21 Sep    40    Normal           5 to 10% above predicted monthly 
                                 values 
22 Sep    30    Fair             near predicted monthly values/depressed 
                                 10 to 20%     
23 Sep    40    Normal           Near predicted monthly values    
COMMENT: IPS HF Communications Warning 39 was issued on 20 September 
and is current for interval 22-23 September. Conditions should 
be mostly normal for 21 September for mid-low latitudes, with 
recovering HF conditions for high latitudes from the PCA event. 
Fair-poor conditions are expected during 22 September for mid-high 
latitudes due to anticipated elevated geomagnetic activity. 
----------------------------------------------------------
For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

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 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060 

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