[Ips-dhfpr] IPS Daily HF Prop Report - 24 May 10
rwc
rwc at ips.gov.au
Tue May 25 09:54:40 EST 2010
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 24/2330Z MAY 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (24 MAY)
Date T index Conditions
24 May 5 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values to
depressed by 15% during local day,
Depressed by 15% during local night.
Niue Island Region:
Depressed by 25% during local day,
Near predicted monthly values during local night.
Northern Australian Region:
Near predicted monthly values to
depressed by 15% during local day,
Depressed by 20% during local night.
Depressed by 20% after local dawn.
Southern Australian and New Zealand Region:
Near predicted monthly values.
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: 24
2. FORECAST (25 MAY - 27 MAY)
Date T index Conditions MUFs
25 May 5 Normal near predicted monthly values/depressed
5 to 10%
26 May 5 Normal near predicted monthly values/depressed
10 to 20%
27 May 0 Fair about 20% below predicted monthly
values
COMMENT: Mild MUF depressions were observed in the Australian
region due to the lower EUV levels emitted from the sun, resulting
from a low number of sunspots on the visible solar disc. Degraded
conitions may be expected on 26 and 27 May.
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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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