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