[Ips-dhfpr] IPS Daily HF Prop Report - 09 June 10
rwc
rwc at ips.gov.au
Thu Jun 10 09:19:49 EST 2010
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 09/2330Z JUNE 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (09 JUNE)
Date T index Conditions
09 Jun 5 Normal
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 20% during local day,
Near predicted monthly values during local night.
Depressed by 20% after local dawn.
Niue Island Region:
Depressed by 25% during local day,
Depressed by 20% during local night.
Northern Australian Region:
Depressed by 20% during local day,
Depressed by 15% 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.
Predicted Monthly T index for June: 26
2. FORECAST (10 JUNE - 12 JUNE)
Date T index Conditions MUFs
10 Jun 14 Normal near predicted monthly values/depressed
0 to 10%
11 Jun 11 Normal near predicted monthly values/depressed
0 to 10%
12 Jun 3 Normal near predicted monthly values/depressed
0 to 20%
COMMENT: Ionospheric conditions were below monthly averages across
the region generally, due to reduced EUV ionisation as the sunspot
activity is weak although AR1078 is increasing. The STEREO-B
spacecraft has observed a prolonged Bz southwards period, estimated
to meet Earth on 13-14th June and probably associated with a
solar sector boundary predicted in models. This may result in
moderately disturbed geomagnetic and ionospheric conditions.
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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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