[Ips-dhfpr] IPS Daily HF Prop Report - 20 September 07
rwc
rwc at ips.gov.au
Fri Sep 21 09:43:52 EST 2007
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z SEPTEMBER 2007 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 -1 Normal-fair
Flares: none.
MUFs:
Equatorial PNG/Niue Region:
Depressed by 25% during local day,
Depressed by 35% during local night.
Depressed by 25% after local dawn.
Northern Australian Region:
Depressed by 25% during local day,
Near predicted monthly values during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day with
periods of degradations and depressions.
PCA Event : No event.
Predicted Monthly T index for September: 10
2. FORECAST (21 SEPTEMBER - 23 SEPTEMBER)
Date T index Conditions MUFs
21 Sep 2 Normal-fair near predicted monthly values/depressed
5 to 10%
22 Sep 0 Fair near predicted monthly values/depressed
5 to 15%
23 Sep 0 Fair near predicted monthly values/depressed
5 to 15%
COMMENT: Minor to mild and sometimes moderate degradations
may be possible in the Southern Aus/NZ regions from 21 to 23
September due to an anticipated rise in geomagnetic activity
levels on these days.
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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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