[Ips-dhfpr] IPS Daily HF Prop Report - 15 October 15 issued 2330 UT on 15 Oct 2015
Regional Warning Centre
rwc at ips.gov.au
Fri Oct 16 10:30:36 EST 2015
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/15 OCTOBER 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (15 OCTOBER)
Date T index Conditions
15 Oct 6 Fair
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 35% during local night.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Depressed by 35% during local day.
Depressed by 25% during local night.
Depressed by 30% after local dawn.
Southern Australian Region:
Depressed by 40% during local day.
Depressed by 25% during local night.
Depressed by 25% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 20% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Sep 35
Oct 70
Nov 68
2. FORECAST (16 OCTOBER - 18 OCTOBER)
Date T index Conditions MUFs
16 Oct 6 Fair 20 to 40% below predicted monthly
values
17 Oct 10 Normal-fair 10 to 30% below predicted monthly
values
18 Oct 12 Normal-fair 5 to 20% below predicted monthly
values
COMMENT: Minor to moderate MUF depressions and degradations in
HF conditions were observed in the Aus/NZ regions over the last
24 hours. Nearly similar conditions may be expected on UT day
16 October due to continued expected rise in geomagnetic activity
levels during this period and low levels of ionising radiation.
Slight relative improvements in HF conditions may be possible
on 17 and 18 October as the geomagnetic activity is expected
to slowly decline over this period. However, due to continued
low levels of ionising radiation, HF conditions may not show
significant improvements even on 17 and 18 October.
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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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