[Ips-dhfpr] IPS Daily HF Prop Report - 11 December 06
rwc
rwc at ips.gov.au
Tue Dec 12 10:36:51 EST 2006
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 11/2330Z DECEMBER 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (11 DECEMBER)
Date T index Conditions
11 Dec 15 Normal-fair
Flares: none.
MUFs:
Equatorial PNG/Niue Region:
Near predicted monthly values during local day,
Depressed by 25% 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):
Proton event in progress, increased absorption observed.
PCA Event : 10Mev Proton/PCA Event Began 06 12 2006 1625UT and is in progress
Predicted Monthly T index for December: 10
2. FORECAST (12 DECEMBER - 14 DECEMBER)
Date T index Conditions MUFs
12 Dec 15 Normal-fair near predicted monthly values
13 Dec 15 Normal-fair Near predicted monthly values
14 Dec 15 Normal Near predicted monthly values
COMMENT: Some disturbed periods and depressions observed for
both Northern Aus/Equatorial and Southern Aus/NZ regions, with
otherwise normal HF conditions. Notable instances of sporadic
E also observed for Southern Aus/NZ regions. Poor ionospheric
support for Antarctic regions due to continued PCA effects.
Improving conditions are expected over the next 2 days with
the proton event expected to finish on 12Dec.
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For an explanation of some of the terms in this report, goto
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
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tel: +61 2 9213 8010 fax: +61 2 9213 8060
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