[Ips-dhfpr] IPS Daily HF Prop Report - 21 February 12 issued 2346 UT on 21 Feb 2012
rwc
rwc at ips.gov.au
Wed Feb 22 10:46:49 EST 2012
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z FEBRUARY 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (21 FEBRUARY)
Date T index Conditions
21 Feb 35 Fair-poor
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 25% during local night.
Niue Island Region:
Enhanced by 15% during local day.
Depressed by 30% during local night.
Northern Australian Region:
Depressed by 25% during local day.
Depressed by 20% during local night.
Southern Australian and New Zealand Region:
Depressed by 30% during local day.
Depressed by 25% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 15% over the UT day.
PCA Event : No event.
Predicted Monthly T index for February: 80
2. FORECAST (22 FEBRUARY - 24 FEBRUARY)
Date T index Conditions MUFs
22 Feb 55 Normal Near predicted monthly values
23 Feb 50 Normal-fair Near predicted monthly values/depressed
5 to 15%
24 Feb 40 Fair Near predicted monthly values/depressed
5 to 25%
COMMENT: MUFs depressions up to nearly 30% were observed on many
locations today. HF conditions were relatively better on low
latitudes. Mostly normal HF conditions may be expected on 22
and most parts of 23 February. Minor to mild degradations are
possible on mid and high latitudes late on 23 February. Minor
to moderate degradations in HF conditions may be expected on
24 February due to expected enhancements in geomagnetic activity
levels around this time.
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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.
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