[Ips-dhfpr] IPS Daily HF Prop Report - 27 December 10
rwc
rwc at ips.gov.au
Tue Dec 28 10:16:55 EST 2010
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 27/2330Z DECEMBER 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (27 DECEMBER)
Date T index Conditions
27 Dec 8 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Near predicted monthly values during local day,
Depressed by 35% during local night.
Depressed by 30% after local dawn.
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.
Predicted Monthly T index for December: 34
2. FORECAST (28 DECEMBER - 30 DECEMBER)
Date T index Conditions MUFs
28 Dec 8 Normal-fair near predicted monthly values/depressed
10 to 20%
29 Dec 8 Normal-fair near predicted monthly values/depressed
10 to 20%
30 Dec 8 Normal-fair near predicted monthly values/depressed
10 to 20%
COMMENT: MUFs were mildly depressed at the mid to low latitudes,
particularly at night, due to a decrease in ionising radiation
resulting from very low solar activity for this period in the
solar cycle. Note, 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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