[Ips-dhfpr] IPS Daily HF Prop Report - 25 December 08
rwc at ips.gov.au
Fri Dec 26 10:04:13 EST 2008
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 25/2330Z DECEMBER 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (25 DECEMBER)
Date T index Conditions
25 Dec -18 Normal
Equatorial PNG/Niue Region:
Near predicted monthly values during local day,
Depressed by 30% during local night.
Northern Australian Region:
Depressed by 20% during local day,
Near predicted monthly values during local night.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values,
Enhanced by 30% after local dawn.
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: 0
2. FORECAST (26 DECEMBER - 28 DECEMBER)
Date T index Conditions MUFs
26 Dec -25 Normal near predicted monthly values/depressed
10 to 30%
27 Dec -25 Normal near predicted monthly values/depressed
10 to 30%
28 Dec -25 Normal near predicted monthly values/depressed
10 to 30%
COMMENT: IPS HF Communications Warning 28 was issued on 25 December
and is current for interval 26-28 December. Expect depressions
of 10 to 30% most likely at local night for equatorial and northern
Australian regions. Isolated cases of sporadic E noted at most
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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