[Ips-dhfpr] IPS Daily HF Prop Report - 29 December 08
rwc at ips.gov.au
Tue Dec 30 10:37:30 EST 2008
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 29/2330Z DECEMBER 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (29 DECEMBER)
Date T index Conditions
29 Dec -11 Normal
Equatorial PNG/Niue Region:
Mostly near predicted monthly values,
Depressed by 35% after local dawn.
Northern Australian Region:
Depressed by 25% during local day,
Variable conditions 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 December: 0
2. FORECAST (30 DECEMBER - 01 JANUARY)
Date T index Conditions MUFs
30 Dec -25 Normal near predicted monthly values/depressed
10 to 30%
31 Dec -25 Normal near predicted monthly values/depressed
10 to 30%
01 Jan -15 Normal near predicted monthly values/depressed
10 to 20%
COMMENT: IPS HF Communications Warning 29 was issued on 28 December
and is current for interval 29-31 December. Variable MUF
depressions/enhancements observed Equatorial/N Aus regions. Periods of
intense sporadic-E conditions observed Central-S Aus/NZ regions.
Expect similar conditions next three days with the chance of disturbances
in Antarctic region due to elevated geomagnetic activity.
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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