[Ips-dhfpr] IPS Daily HF Prop Report - 28 July 15 issued 2330 UT on 28 Jul 2015
Regional Warning Centre
rwc at ips.gov.au
Wed Jul 29 09:30:38 EST 2015
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/28 JULY 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (28 JULY)
Date T index Conditions
28 Jul 50 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
No data available during local day.
No data available during local night.
Niue Island Region:
Depressed by 25% during local day.
Depressed by 35% during local night.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 35% during local night.
Southern Australian and New Zealand Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Jun 70
Jul 84
Aug 82
2. FORECAST (29 JULY - 31 JULY)
Date T index Conditions MUFs
29 Jul 50 Normal-fair 20 to 30% below predicted monthly
values
30 Jul 55 Normal-fair 15 to 20% below predicted monthly
values
31 Jul 55 Normal-fair 15 to 20% below predicted monthly
values
COMMENT: IPS HF Communications Warning 27 was issued on 27 July
and is current for 27-29 Jul. MUF depressions of up to 35% have
been seen across much of the Australasian region over the last
24 hours. These conditions are due to low levels of ionising
solar flux. Expect similar conditions next three days. Expected
enhancements in geomagnetic activity levels on 29 July may result
in further depressions in MUFs.
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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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