[Ips-dhfpr] IPS Daily HF Prop Report - 20 August 09
rwc at ips.gov.au
Fri Aug 21 09:44:05 EST 2009
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z AUGUST 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 AUGUST)
Date T index Conditions
20 Aug 6 Normal
Equatorial PNG/Niue Region:
Mostly near predicted monthly values,
Northern Australian Region:
Depressed by 20% during local day,
Depressed by 15% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day,
Enhanced by 30% during local night.
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 (21 AUGUST - 23 AUGUST)
Date T index Conditions MUFs
21 Aug 0 Normal Near predicted monthly values
22 Aug -5 Normal Near predicted monthly values
23 Aug -5 Normal Near predicted monthly values
COMMENT: Extended periods of sporadic-E conditions at Cocos and
Niue islands local day. Extended periods of spread-F conditions
at Brisbane and Norfolk Island local evening/night. Weak ionosphere
generally in Antarctic region with periods of sporadic-E at Casey.
Expect mostly normal HF conditions next three days with some
disturbance at higher latitudes day one.
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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