[Ips-dhfpr] IPS Daily HF Prop Report - 15 September 15 issued 2358 UT on 15 Sep 2015
rwc
rwc at ips.gov.au
Wed Sep 16 09:58:26 EST 2015
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/15 SEPTEMBER 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (15 SEPTEMBER)
Date T index Conditions
15 Sep 28 Fair-poor
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 50% during local night.
Depressed by 30% after local dawn.
Niue Island Region:
Depressed by 20% during local day.
Depressed by 40% during local night.
Northern Australian Region:
Depressed by 15% during local day.
Depressed by 25% during local night.
Depressed by 30% after local dawn.
Southern Australian Region:
Depressed by 25% during local day.
Depressed by 25% during local night.
Depressed by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values to degraded greater than 30%.
PCA Event : No event.
Monthly T index:
Month T index
Aug 46
Sep 75
Oct 73
2. FORECAST (16 SEPTEMBER - 18 SEPTEMBER)
Date T index Conditions MUFs
16 Sep 25 Fair-poor 20 to 30% below predicted monthly
values
17 Sep 25 Fair-poor 20 to 30% below predicted monthly
values
18 Sep 30 Fair-poor 20 to 30% below predicted monthly
values
COMMENT: IPS HF Communications Warning 52 was issued on 14 September
and is current for 15-17 Sep. Significantly degraded HF conditions
were observed during 15 September over the Australian region
due to very low levels of ionising radiation and recently 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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