[Ips-dhfpr] IPS Daily HF Prop Report - 09 February 14 issued 2330 UT on 09 Feb 2014
Regional Warning Centre
rwc at ips.gov.au
Mon Feb 10 10:30:55 EST 2014
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/09 FEBRUARY 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (09 FEBRUARY)
Date T index Conditions
09 Feb 100 Normal
Flares Max Fadeout Freq. Sectors
M1/-- 1617UT possible lower South American/
Atlantic
MUFs:
Cocos Island Region:
No data available
Niue Island Region:
No data available
Northern Australian Region:
Depressed by 25% during local day.
Near predicted monthly values during local night.
Southern Australian and New Zealand Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Jan 119
Feb 75
Mar 75
2. FORECAST (10 FEBRUARY - 12 FEBRUARY)
Date T index Conditions MUFs
10 Feb 100 Normal Near to 15% above predicted
monthly values
11 Feb 110 Normal Near to 15% above predicted
monthly values
12 Feb 120 Normal Near to 15% above predicted
monthly values
COMMENT: Depressions of up to 20% in the MUF were observed in
the Australian region during local daytime. This was due to unexpectedly
high geomagnetic activity following a minor CME impact. Conditions
have improved overnight and the dawn measurements on the east
cost indicate daytime MUFs should return to predicted monthly
values or better today. A high level of solar ionising EUV radiation
should ensure the ionosphere recovers quickly to the previously
observed enhanced MUF.
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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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