[Ips-dhfpr] IPS Daily HF Prop Report - 24 November 09
rwc
rwc at ips.gov.au
Wed Nov 25 10:12:20 EST 2009
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 24/2330Z NOVEMBER 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (24 NOVEMBER)
Date T index Conditions
24 Nov -2 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day,
Depressed by 20% during local night.
Niue Island Region:
Enhanced by 25% during local day,
Near predicted monthly values during local night.
Depressed by 25% after local dawn.
Northern Australian Region:
Mostly near predicted monthly values,
Southern Australian and New Zealand Region:
Mostly 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 (25 NOVEMBER - 27 NOVEMBER)
Date T index Conditions MUFs
25 Nov -12 Normal-fair Near predicted monthly values
to 10% depressed.
26 Nov -15 Normal Near predicted monthly values
to 15% depressed.
27 Nov -15 Normal Near predicted monthly values
to 15% depressed.
COMMENT: HF conditions were variable over the past 24 hours,
mostly normal in the equatorial region and S.Aus and fair in
N.Aus. Very strong and at times blanketing sporadic-E was observed
at multiple N.Aus sites as well as Norfolk Is. MUFs were mostly
near predicted monthly values. Expect continuing periods of sporadic-E
at mid latitudes sites, but HF conditions otherwise mostly normal
next 3 days. Some minor MUF depressions expected across the
S.Aus/NZ/Antarctic regions next 3 days.
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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
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