[Ips-dhfpr] IPS Daily HF Prop Report - 15 December 07
rwc
rwc at ips.gov.au
Sun Dec 16 10:08:32 EST 2007
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 15/2330Z DECEMBER 2007 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 -12 Normal
Flares: none.
MUFs:
Equatorial PNG/Niue Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values during local day,
Depressed by 20% during local night.
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: 5
2. FORECAST (16 DECEMBER - 18 DECEMBER)
Date T index Conditions MUFs
16 Dec 0 Normal near predicted monthly values
17 Dec -10 Normal-Fair depressed 10 to 20%/near predicted
monthly values
18 Dec -10 Normal depressed 10 to 20%/near predicted
monthly values
COMMENT: Noted isolated cases of sporadic E (Es) throughout the
UT day in the Sydney area. Nuie showed Es during the evening,
night and dawn hours. Townsville, Norfolk Is., Brisbane showed
Es during the evening hours. Also note Scott showed spread F
on its ionograms throughout the UT day. Expect possible MUF depression
at high latitudes on the 17-18 December due to geomagnetic activity.
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For an explanation of some of the terms in this report, goto
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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