[Ips-dhfpr] IPS Daily HF Prop Report - 20 August 11
rwc
rwc at ips.gov.au
Sun Aug 21 09:52:36 EST 2011
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z AUGUST 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 AUGUST)
Date T index Conditions
20 Aug 41 Fair-Normal
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 15% during local day,
Depressed by 25% during local night.
Niue Island Region:
Mostly near predicted monthly values.
Northern Australian Region:
Depressed by 20% during local day,
Depressed by 25% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Mostly near predicted monthly values.
PCA Event : No event.
Predicted Monthly T index for August: 59
2. FORECAST (21 AUGUST - 23 AUGUST)
Date T index Conditions MUFs
21 Aug 50 Fair-Normal Depressed 5 to 15%/near predicted
monthly values
22 Aug 55 Normal Near predicted monthly values
23 Aug 55 Normal Near predicted monthly values
COMMENT: Mild depressions were observed over northern Australian
regions at times during the past 24 hours. Slight depressions
are expected at times over the next 24 hours primarily for northern
Australian to equatorial regions otherwise MUFs are expected
to be mostly near predicted monthly values. Some periods of Spread-F
and Sporadic-E conditions were observed during the past 24 hours
which may have degraded HF conditions at times. Further isolated
periods of Spread-F and Sporadic-E are expected over the next
24 hours which may result in degraded HF conditions at times.
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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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