[Ips-dhfpr] IPS Daily HF Prop Report - 17 September 15 issued 2356 UT on 17 Sep 2015
rwc
rwc at ips.gov.au
Fri Sep 18 09:56:19 EST 2015
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/17 SEPTEMBER 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (17 SEPTEMBER)
Date T index Conditions
17 Sep 39 Fair-poor
Flares Max Fadeout Freq. Sectors
C9.0 0303UT probable lower E. Asia/Aust.
M1.0 0941UT possible lower Mid East/Indian
MUFs:
Cocos Island Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Depressed by 15% during local day.
Depressed by 30% during local night.
Depressed by 20% after local dawn.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 20% during local night.
Depressed by 20% after local dawn.
Southern Australian Region:
Depressed by 20% during local day.
Depressed by 15% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 20% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Aug 46
Sep 75
Oct 73
2. FORECAST (18 SEPTEMBER - 20 SEPTEMBER)
Date T index Conditions MUFs
18 Sep 40 Fair 15 to 20% below predicted monthly
values
19 Sep 40 Fair 15 to 20% below predicted monthly
values
20 Sep 40 Fair 15 to 20% below predicted monthly
values
COMMENT: Mildly degraded HF conditions were observed during 17
September over the Australian region due to low levels of ionising
radiation and sustained mildly elevated geomagnetic activity
levels. Similar HF conditions are expected for the next few days.
SWFs are possible.
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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.
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