[Ips-dhfpr] IPS Daily HF Prop Report - 20 February 11
rwc
rwc at ips.gov.au
Mon Feb 21 10:43:55 EST 2011
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z FEBRUARY 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 FEBRUARY)
Date T index Conditions
20 Feb 22 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Enhanced by 15% during local day,
Near predicted monthly values during local night.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Depressed by 15% during local day,
Near predicted monthly values during local night.
Depressed by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 25% over the UT day.
PCA Event : No event.
Predicted Monthly T index for February: 38
2. FORECAST (21 FEBRUARY - 23 FEBRUARY)
Date T index Conditions MUFs
21 Feb 20 Normal-fair depressed 10 to 20%/near predicted
monthly values
22 Feb 20 Normal-fair depressed 10 to 20%/near predicted
monthly values
23 Feb 20 Normal-fair depressed 10 to 20%/near predicted
monthly values
COMMENT: Variable ionospheric support observed over the Australian/NZ
region during the last 24 hours, with enhanced MUFs for Equatorial
regions and near predicted monthly values for Northern AUS regions.
Depressed MUFs for Southern AUS/NZ and Antarctic regions during
local day. Continued MUF depressions of 10%-20% for Southern
AUS/NZ and Antarctic regions for the next 3 days with mostly
normal ionospheric support for Northern AUS/Equatorial regions
with possible depressed periods.
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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.
IPS Radio and Space Services email: asfc at ips.gov.au
PO Box 1386 WWW: http://www.ips.gov.au
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