[Ips-dhfpr] IPS Daily HF Prop Report - 25 December 09
rwc
rwc at ips.gov.au
Sat Dec 26 10:43:44 EST 2009
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 25/2330Z DECEMBER 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (25 DECEMBER)
Date T index Conditions
25 Dec -11 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Near predicted monthly values during local day,
Depressed by 20% during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day,
Depressed by 15% 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 December: 1
2. FORECAST (26 DECEMBER - 28 DECEMBER)
Date T index Conditions MUFs
26 Dec -6 Normal near predicted monthly values/depressed
5 to 15%
27 Dec -6 Normal near predicted monthly values/depressed
5 to 15%
28 Dec -6 Normal near predicted monthly values/depressed
5 to 15%
COMMENT: Mostly normal HF conditions were observed in the Aus/NZ
region today. Nearly similar conditions with some periods of
minor MUF depressions may be expected for the next three days
as the ionosphere stayes weak due to very low solar activity.
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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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