[Ips-dhfpr] IPS Daily HF Prop Report - 17 October 05

rwc rwc at ips.gov.au
Tue Oct 18 09:53:13 EST 2005


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 17/2330Z OCTOBER 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (17 OCTOBER) 
Date   T index  Conditions    
17 Oct    22    Normal         

Flares: none.

MUFs:
slightly below predicted monthly values

PCA Event : No event.

Predicted Monthly T index for October:  23
2. FORECAST (18 OCTOBER - 20 OCTOBER)
Date   T index  Conditions       MUFs                              
18 Oct    25    Normal           about 10% below predicted monthly 
                                 values 
19 Oct    28    Normal           near predicted monthly values     
20 Oct    28    Normal           Near predicted monthly values    
COMMENT: The equatorial ionosphere is still showing a strong 
depression at night. Mid-latitudes appear mostly normal with 
slight depletions across the day although some regions local 
afternoon ionograms show enhancement. Many stations across the 
east coast and southern Australia show strong morning sporadic 
E at the time of this report. High latitudes are moderately disturbed 
by enhanced polar cap convective flows due to geomagnetic merging 
with the solar magnetic field (IMF). 
----------------------------------------------------------
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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