[Ips-dhfpr] IPS Daily HF Prop Report - 21 August 09
rwc at ips.gov.au
Sat Aug 22 09:19:40 EST 2009
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z AUGUST 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (21 AUGUST)
Date T index Conditions
21 Aug -4 Normal
Equatorial PNG/Niue Region:
Depressed by 15% during local day,
Near predicted monthly values during local night.
Depressed by 20% after local dawn.
Northern Australian Region:
Near predicted monthly values during local day,
Enhanced by 15% 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.
PCA Event : No event.
Predicted Monthly T index for August: 1
2. FORECAST (22 AUGUST - 24 AUGUST)
Date T index Conditions MUFs
22 Aug -5 Normal Near predicted monthly values
23 Aug -5 Normal Near predicted monthly values
24 Aug -5 Normal Near predicted monthly values
COMMENT: Periods of sporadic-E conditions at Cocos Islands local
evening/night. Variable enhancements/depressions at Darwin over
the UT day. Weak ionosphere generally in Antarctic region with
periods of sporadic-E at Casey. Expect mostly normal HF conditions
next three days with mild disturbance at higher latitudes day
For an explanation of some of the terms in this report, go to
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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