[Ips-dhfpr] IPS Daily HF Prop Report - 18 July 11
rwc
rwc at ips.gov.au
Tue Jul 19 09:38:31 EST 2011
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 18/2330Z JULY 2011 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 43 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day,
No data available during local night.
Depressed by 30% after local dawn.
Niue Island Region:
Depressed by 25% during local day,
Depressed by 25% during local night.
Northern Australian Region:
Depressed by 15% during local day,
Depressed by 35% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 30% over the UT day.
PCA Event : No event.
Predicted Monthly T index for July: 56
2. FORECAST (19 JULY - 21 JULY)
Date T index Conditions MUFs
19 Jul 35 Normal-fair near predicted monthly values/depressed
10 to 30%
20 Jul 35 Normal-fair near predicted monthly values/depressed
10 to 30%
21 Jul 40 Normal near predicted monthly values/depressed
10 to 20%
COMMENT: Mild depressions were observed at times in most areas
over the last 24 hours. Disturbed geomagnetic conditions may
cause MUF depressions of ~30% for 19Jul-20Jul for Southern AUS/NZ
regions.
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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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