[Ips-dhfpr] IPS Daily HF Prop Report - 14 January 08
rwc at ips.gov.au
Tue Jan 15 10:45:45 EST 2008
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 14/2330Z JANUARY 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (14 JANUARY)
Date T index Conditions
14 Jan -9 Normal-fair
Equatorial PNG/Niue Region:
Near predicted monthly values during local day,
Depressed by 25% 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:
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 January: 12
2. FORECAST (15 JANUARY - 17 JANUARY)
Date T index Conditions MUFs
15 Jan -15 Normal Near predicted monthly values
with depressions to 50% at times
16 Jan -20 Normal Near predicted monthly values
with depressions to 30% at times
17 Jan -20 Normal Near predicted monthly values
COMMENT: IPS HF Communications Warning 3 was issued on 11 January
and is current for interval 14-15 January. At near equatorial
latitudes (Townsville, Niue, Vanimo) extensive sporadic E (Es)
was observed, particuarly at night. Much of the Es was blanketing
the F layer. Es was also prevalent across mid-latitudes and southern
latitudes (e.g. Brisbane, Canberra, Norfolk Is) but often not
blanketing. Antarctic ionosphere was disturbed due to active-storm
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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