[Ips-dhfpr] IPS Daily HF Prop Report - 17 December 09
rwc
rwc at ips.gov.au
Fri Dec 18 10:31:48 EST 2009
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 17/2330Z DECEMBER 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (17 DECEMBER)
Date T index Conditions
17 Dec -10 Fair-normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values with depressions to 15%
15-20 UT. Sporadic E observed 01-07 and 09 UT.
Niue Island Region:
Near predicted monthly values with depressions to 40%
01-06, 13-18 and 21-23 UT. Sporadic E observed 01-07,
09 UT.
Northern Australian Region:
Near predicted monthly values with depressions to 40%
at Darwin (03-05, 08-20 UT) and Townsville (03-06 UT).
Sporadic E observed at Darwin (09, 15-19 UT) and
Townsville (10, 11, 20 UT).
Southern Australian and New Zealand Region:
Near predicted monthly values. Depressions to 30% at
Brisbane and Norfolk Is. 00-07, 23 UT and at Norfolk
15-18 UT. Depressions to 25% at Canberra and Sydney
01-08, 22-23 UT. Depressions to 15% at Christchurch
and Hobart 00-08 UT. Sporadic E observed mostly 00-08
and 23 UT.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values to 15% depressed.
Depressions to 25% at Macquarie Is. 14-16 UT.
PCA Event : No event.
Predicted Monthly T index for December: 1
2. FORECAST (18 DECEMBER - 20 DECEMBER)
Date T index Conditions MUFs
18 Dec -5 Fair-normal Mostly near predicted monthly
values. Occasional depressions
to 30%.
19 Dec -5 Fair-normal Near predicted monthly values.
Occasional depressions to 30%.
20 Dec -5 Fair-normal Near predicted monthly values.
Occasional depressions to 30%.
COMMENT: Summertime sporadic E may affect communications at times.
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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
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp.ips.gov.au
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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