[Ips-dhfpr] IPS Daily HF Prop Report - 30 November 09
rwc
rwc at ips.gov.au
Tue Dec 1 10:42:23 EST 2009
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 30/2330Z NOVEMBER 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (30 NOVEMBER)
Date T index Conditions
30 Nov -3 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day,
Depressed by 25% during local night.
Niue Island Region:
Depressed by 15% during local day,
Enhanced by 15% during local night.
Northern Australian Region:
Near predicted monthly values.
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 November: 1
2. FORECAST (01 DECEMBER - 03 DECEMBER)
Date T index Conditions MUFs
01 Dec -5 Normal 0 to 10% below predicted monthly
values
02 Dec -5 Normal near predicted monthly values
03 Dec -5 Normal Near predicted monthly values
COMMENT: Mostly normal HF conditions were observed across Aus/NZ
mid-latitude regions over the last 24 hours with averages slightly
below monthly medians but a small post dusk enhancement at many
stations. Similar conditions may be expected for the next 3 days
with a slight overall increase to near predicted monthly median
levels in 1-2 days if geomagnetic activity is enhanced by a coronal
hole induced high speed solar wind stream.
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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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