[Ips-dhfpr] IPS Daily HF Prop Report - 18 July 12 issued 2347 UT on 18 Jul 2012
rwc
rwc at ips.gov.au
Thu Jul 19 09:47:52 EST 2012
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/18 JULY 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (18 JULY)
Date T index Conditions
18 Jul 46 Fair
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 30% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 25% 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 20% during local day.
Depressed by 30% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Weak ionospheric support over the UT day.
PCA Event : No event.
Predicted Monthly T index for July: 77
2. FORECAST (19 JULY - 21 JULY)
Date T index Conditions MUFs
19 Jul 50 Fair Near predicted monthly values/depressed
20 to 30%
20 Jul 50 Normal-fair Near predicted monthly values/depressed
20 to 30%
21 Jul 60 Normal-fair Near predicted monthly values/depressed
10 to 20%
COMMENT: MUF depressions were observed over most regions during
the last 24 hours. Continuing poor ionospheric support Antarctic
region. Sporadic-E was observed for much of the night around
Hobart. Similar conditions are expected for the next 2 days with
improvement thereafter.
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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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