[Ips-dhfpr] IPS Daily HF Prop Report - 20 May 07
rwc at ips.gov.au
Mon May 21 09:51:38 EST 2007
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z MAY 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 MAY)
Date T index Conditions
20 May 16 Normal
Equatorial PNG/Niue Region:
Enhanced by 30% during local day,
Depressed by 35% 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 35% 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 (21 MAY - 23 MAY)
Date T index Conditions MUFs
21 May 14 Normal-Fair near predicted monthly values
22 May 12 Normal near predicted monthly values
23 May 6 Normal Near predicted monthly values
/ Depressed by 10%.
COMMENT: HF conditions were mostly normal 20 May. Periods of
Spread-F were again observed at mid-high latitude stations. Equatorial
stations suffered some MUF depressions overnight. HF conditions
are expected to be much the same 21 May with minor MUF depressions
at low latitudes and further Spread-F possible at mid-high latitudes.
Expect mostly normal HF conditions 22 May. MUF depressions possible
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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