[Ips-dhfpr] IPS Daily HF Prop Report - 30 August 09
Regional Warning Centre
rwc at ips.gov.au
Mon Aug 31 09:55:47 EST 2009
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 30/2330Z AUGUST 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (30 AUGUST)
Date T index Conditions
30 Aug -5 Normal
Equatorial PNG/Niue Region:
Near predicted monthly values during local day,
Depressed by 20% during local night.
Northern Australian Region:
Depressed by 25% during local day,
Depressed 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 (31 AUGUST - 02 SEPTEMBER)
Date T index Conditions MUFs
31 Aug -10 Normal near predicted monthly values/depressed
10 to 20%
01 Sep -5 Normal near predicted monthly values/depressed
10 to 20%
02 Sep -5 Normal near predicted monthly values/depressed
10 to 20%
COMMENT: Mostly normal HF conditions observed over the last 24
hours for Southern AUS/NZ regions. Depressed conditions during
local day for Equatorial regions and during local day and night
for Northern AUS regions. Notable sporadic-E for Equatorial regions.
Disturbed periods for Antarctic regions from the increase in
geomagnetic activity. Similar HF conditions are expected for
mid to low latitudes over the next 24 hours with disturbed periods
for high latitudes. Mostly normal HF conditions expected for
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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