[Ips-dhfpr] IPS Daily HF Prop Report - 10 September 15 issued 2335 UT on 10 Sep 2015
rwc
rwc at ips.gov.au
Fri Sep 11 09:35:55 EST 2015
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/10 SEPTEMBER 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (10 SEPTEMBER)
Date T index Conditions
10 Sep -3 Fair
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 25% during local day.
Depressed by 55% during local night.
Niue Island Region:
Depressed by 20% during local day.
Depressed by 30% during local night.
Depressed by 25% after local dawn.
Northern Australian Region:
Depressed by 40% during local day.
Depressed by 45% during local night.
Depressed by 40% after local dawn.
Southern Australian Region:
Depressed by 50% during local day.
Depressed by 55% during local night.
Depressed by 40% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 30% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Aug 46
Sep 75
Oct 73
2. FORECAST (11 SEPTEMBER - 13 SEPTEMBER)
Date T index Conditions MUFs
11 Sep 5 Fair 20 to 40% below predicted monthly
values
12 Sep 0 Fair 20 to 50% below predicted monthly
values
13 Sep 10 Fair-poor 20 to 30% below predicted monthly
values
COMMENT: Mild to significant MUF depressions and degradations
in HF conditions observed over the last 24 hours in AUS/NZ regions
due to very low levels of ionising radiation and increased geomagnetic
activity. Nearly similar HF conditions expected from 11 to
13 September due to expected enhancements in geomagnetic
activity levels during this period.
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For an explanation of some of the terms in this report, go to
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Glossary on Solar Terrestrial Terms.
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