[Ips-dhfpr] IPS Daily HF Prop Report - 17 May 10
rwc at ips.gov.au
Tue May 18 09:48:13 EST 2010
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 17/2330Z MAY 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (17 MAY)
Date T index Conditions
17 May 18 Normal
Cocos Island Region:
Depressed by 15% during local day,
Depressed by 15% during local night.
Niue Island Region:
Depressed by 25% during local day,
Depressed by 20% during local night.
Depressed by 20% after local dawn.
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):
Depressed by 15% over the UT day.
PCA Event : No event.
Predicted Monthly T index for May: 24
2. FORECAST (18 MAY - 20 MAY)
Date T index Conditions MUFs
18 May 20 Normal near predicted monthly values
19 May 20 Normal near predicted monthly values
20 May 20 Normal Near predicted monthly values
COMMENT: Minor MUF depressions were observed at low latitudes
due to the lower EUV levels emitted from the sun, resulting from
the lack of sunspots on the visible solar disc. Expect this trend
to continue until sunspot numbers return to predicted levels.
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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