[Ips-dhfpr] IPS Daily HF Prop Report - 15 December 10
rwc
rwc at ips.gov.au
Thu Dec 16 10:30:11 EST 2010
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 15/2330Z DECEMBER 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (15 DECEMBER)
Date T index Conditions
15 Dec 11 Fair-normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values. Depressions to 20%
16-17, 22-23 UT.
Niue Island Region:
Near predicted monthly values. Depressions to 25%
05-07, 23 UT.
Northern Australian Region:
Near predicted monthly values. Night spread F observed
at Townsville.
Southern Australian and New Zealand Region:
Mostly 10-25% depressed, except at Norfolk Is. and
Perth where MUFs were mostly near predicted monthly
values with depressions to 20% 03-06, 15 UT at Norfolk
Is. and 17-21 UT at Perth. Sporadic E blanketed most
of the time 14-20 UT at Hobart.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values with depressions
to 25% observed mostly 00-03, 08-14 UT.
PCA Event : No event.
Predicted Monthly T index for December: 34
2. FORECAST (16 DECEMBER - 18 DECEMBER)
Date T index Conditions MUFs
16 Dec 10 Normal Near predicted monthly values
to 30% depressed.
17 Dec 10 Normal Near predicted monthly values
to 30% depressed.
18 Dec 20 Normal Near predicted monthly values
to 20% depressed.
COMMENT: IPS HF Communications Warning 32 was issued on 15 December
and is current for interval 15-17 December. Seasonal sporadic
E may degrade 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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