[Ips-dhfpr] IPS Daily HF Prop Report - 19 May 07
rwc
rwc at ips.gov.au
Sun May 20 09:45:02 EST 2007
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 19/2330Z MAY 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (19 MAY)
Date T index Conditions
19 May 16 Normal
Flares: none.
MUFs:
Equatorial PNG/Niue Region:
Near predicted monthly values during local day,
Depressed by 30% during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day,
Enhanced by 20% 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 May: 9
2. FORECAST (20 MAY - 22 MAY)
Date T index Conditions MUFs
20 May 16 Normal near predicted monthly values
21 May 12 Normal Near predicted monthly values
22 May 12 Normal Near predicted monthly values
COMMENT: HF conditions were mostly normal 19 May. Some periods
of Spread-F were observed at mid-high latitude stations. Equatorial
stations suffered some minor MUF depressions. HF conditions are
expected to be much the same 20 May with minor MUF depressions
at low latitudes and further Spread-F possible at mid-high latitudes.
Expect mostly normal HF conditions 21 May.
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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
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tel: +61 2 9213 8010 fax: +61 2 9213 8060
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