[Ips-dhfpr] IPS Daily HF Prop Report - 29 May 10
rwc at ips.gov.au
Sun May 30 09:55:09 EST 2010
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 29/2330Z MAY 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (29 MAY)
Date T index Conditions
29 May 25 Normal-fair
Cocos Island Region:
Mostly near predicted monthly values,
Niue Island Region:
Depressed by 20% during local day,
Enhanced by 20% during local night.
Northern Australian Region:
Near predicted monthly values during local day,
Enhanced by 40% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 30% over the UT day.
PCA Event : No event.
Predicted Monthly T index for May: 24
2. FORECAST (30 MAY - 01 JUNE)
Date T index Conditions MUFs
30 May 7 Normal-fair near predicted monthly values/depressed
5 to 15%
31 May 7 Normal-fair near predicted monthly values/depressed
5 to 15%
01 Jun 10 Normal Near predicted monthly values
COMMENT: Mild to moderate MUF depressions were observed in the
Australian region due to the effect of a CME activity and very
low EUV radiation emitted from the sun, resulting from a low
number of sunspots on the visible solar disc. Mild to moderated
degradations in HF conditions may be expected from 30 to 31 May
due to an expected rise in geomagnetic activity levels on these
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
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp.ips.gov.au
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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