[Ips-dhfpr] IPS Daily HF Prop Report - 23 December 13 issued 2331 UT on 23 Dec 2013
rwc
rwc at ips.gov.au
Tue Dec 24 10:31:44 EST 2013
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/23 DECEMBER 2013 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (23 DECEMBER)
Date T index Conditions
23 Dec 142 Normal
Flares Max Fadeout Freq. Sectors
M1.6 22/2208UT possible lower East Pacific/
North American
M1.3 0003UT possible lower West Pacific
M1.6 0906UT possible lower Mid East/Indian
MUFs:
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 30% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 40% during local night.
Southern Australian and New Zealand Region:
Enhanced by 25% during local day.
Enhanced by 25% during local night.
Enhanced by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 30% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Nov 117
Dec 73
Jan 71
2. FORECAST (24 DECEMBER - 26 DECEMBER)
Date T index Conditions MUFs
24 Dec 140 Normal Near to 15% above predicted
monthly values
25 Dec 140 Normal Near to 15% above predicted
monthly values
26 Dec 130 Normal Near to 15% above predicted
monthly values
COMMENT: Enhanced MUFs observed for Australasian region over
the last 24 hours. Sporadic E-layers at several locations with
blanketing periods of ~1 hour. Normal to enhanced ionospheric
support expected to continue for the Australasian region for
the next 3 days with enhanced MUF's of approx 15%. Geomagnetic
activity will gradually increase to Unsettled-Active levels over
24-25 Dec due to a high-speed solar-wind stream and this will
probably cause more variability in MUFs.
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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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