[Ips-dhfpr] IPS Daily HF Prop Report - 19 September 15 issued 2356 UT on 19 Sep 2015
rwc
rwc at ips.gov.au
Sun Sep 20 09:56:16 EST 2015
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/19 SEPTEMBER 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (19 SEPTEMBER)
Date T index Conditions
19 Sep 38 Fair-poor
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 45% during local night.
Niue Island Region:
Depressed by 25% during local day.
Depressed by 15% during local night.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 15% during local night.
Southern Australian Region:
Depressed by 20% during local day.
Depressed by 30% during local night.
Depressed by 30% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed 30% to near predicted monthly values.
PCA Event : No event.
Monthly T index:
Month T index
Aug 46
Sep 75
Oct 73
2. FORECAST (20 SEPTEMBER - 22 SEPTEMBER)
Date T index Conditions MUFs
20 Sep 35 Fair-poor 15 to 30% below predicted monthly
values
21 Sep 35 Fair-poor 15 to 30% below predicted monthly
values
22 Sep 35 Fair-poor 15 to 30% below predicted monthly
values
COMMENT: Degraded HF conditions were observed during 19 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.
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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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