[Ips-dhfpr] IPS Daily HF Prop Report - 19 October 07
rwc
rwc at ips.gov.au
Sat Oct 20 09:49:29 EST 2007
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 19/2330Z OCTOBER 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (19 OCTOBER)
Date T index Conditions
19 Oct -9 Normal-poor
Flares: none.
MUFs:
Equatorial PNG/Niue Region:
Near predicted monthly values during local day,
Depressed by 15% during local night.
Northern Australian Region:
Depressed by 25% during local day,
Near predicted monthly values 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):
Mostly near predicted monthly values.
PCA Event : No event.
Predicted Monthly T index for October: 10
2. FORECAST (20 OCTOBER - 22 OCTOBER)
Date T index Conditions MUFs
20 Oct -10 Normal-poor depressed 15 to 30%/near predicted
monthly values
21 Oct -5 Normal-fair depressed 10 to 20%/near predicted
monthly values
22 Oct -5 Normal-fair depressed 10 to 20%/near predicted
monthly values
COMMENT: IPS HF Communications Warning 19 was issued on 19 October
and is current for interval 20 October only. Significant depressions
were observed at times during the past 24 hours primarily for
Australian/Equatorial regions. Significant depressions are again
expected at times for Australian/Equatorial regions for 20 October,
otherwise mostly normal conditions are expected.
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For an explanation of some of the terms in this report, goto
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
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp.ips.gov.au
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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