[Ips-dhfpr] IPS Daily HF Prop Report - 14 September 08
rwc
rwc at ips.gov.au
Mon Sep 15 09:50:18 EST 2008
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 14/2330Z SEPTEMBER 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (14 SEPTEMBER)
Date T index Conditions
14 Sep 8 Normal
Flares: none.
MUFs:
Equatorial PNG/Niue Region:
Near predicted monthly values during local day,
Depressed by 15% during local night.
Depressed by 20% after local dawn.
Northern Australian Region:
Mostly near predicted monthly values,
Southern Australian and New Zealand Region:
Near predicted monthly values during local day,
Enhanced by 25% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 25% over the UT day.
PCA Event : No event.
Predicted Monthly T index for September: 2
2. FORECAST (15 SEPTEMBER - 17 SEPTEMBER)
Date T index Conditions MUFs
15 Sep 0 Normal-Fair 10 to 15% below predicted monthly
values
16 Sep 0 Normal 5 to 10% below predicted monthly
values
17 Sep 5 Normal near predicted monthly values/depressed
0 to 10%
COMMENT: The expected onset of the recurrent coronal hole started
at ~19UT in geomagnetic activity. Expect associated MUF depressions
today and possibly tomorrow although they are not expected to
be very deep. The ionosphere should have recovered by the 17th.
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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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