[Ips-dhfpr] IPS Daily HF Prop Report - 25 October 08
rwc
rwc at ips.gov.au
Sun Oct 26 10:13:26 EST 2008
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 25/2330Z OCTOBER 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (25 OCTOBER)
Date T index Conditions
25 Oct -22 Fair-normal
Flares: none.
MUFs:
Equatorial PNG/Niue Region:
Depressed by 15% during local day,
Depressed by 45% during local night.
Northern Australian Region:
Depressed by 20% during local day,
Depressed by 25% during local night.
Southern Australian and New Zealand Region:
Depressed by 15% during local day,
Near predicted monthly values during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Predicted Monthly T index for October: 2
2. FORECAST (26 OCTOBER - 28 OCTOBER)
Date T index Conditions MUFs
26 Oct -18 Normal Mostly near predicted monthly
values. Occasional depressions
to 30%.
27 Oct -18 Normal Mostly near predicted monthly
values. Occasional depressions
to 30%.
28 Oct -15 Normal Mostly near predicted monthly
values. Occasional depressions
to 30%.
COMMENT: Significant MUF depressions and periods of disturbance
observed in the Equatorial/Northern Australian regions. Mild
to moderate depressions extending at times to Central Aus latitudes.
Periods of spread-F conditions observed S Aus, mainly local night.
Similar ionospheric conditions may be expected for the next three
days. Variable and at times poor HF propagation conditions possible
Equatorial/N Aus regions.
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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
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