[Ips-dhfpr] IPS Daily HF Prop Report - 22 January 14 issued 2330 UT on 22 Jan 2014
Regional Warning Centre
rwc at ips.gov.au
Thu Jan 23 10:30:28 EST 2014
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 JANUARY 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (22 JANUARY)
Date T index Conditions
22 Jan 108 Enhanced
Flares: none.
MUFs:
Cocos Island Region:
No data available during local day.
No data available during local night.
Niue Island Region:
Near predicted monthly values 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.
Monthly T index:
Month T index
Dec 130
Jan 73
Feb 71
2. FORECAST (23 JANUARY - 25 JANUARY)
Date T index Conditions MUFs
23 Jan 115 Enhanced Near to 15% above predicted
monthly values
24 Jan 120 Enhanced Near to 15% above predicted
monthly values
25 Jan 115 Enhanced Near to 15% above predicted
monthly values
COMMENT: The ionospheric propagation support softened throughout
the Australian region during 22 Jan UT. The strongly enhanced
conditions which occurred at the east coast stations Brisbane,
Sydney, Canberra and Hobart during 21 Jan UT returned to near
monthly predicted values during 22 Jan UT. However, the west
coast stations Perth and Learmonth recorded strongly enhanced
conditions (T=150). There may have been a westward migration
of the strong enhancement during 21-22 Jan. The ionospheric
support at Australian Antarctic stations collapsed to below
monthly predicted values during 22 Jan, possibly due to polar
geomagnetic activity. The ionospheric propagation support at
Darwin was exceptional (local T=170), with enhancements up to
76% during the night.
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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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