[Ips-dhfpr] IPS Daily HF Prop Report - 22 May 10
rwc
rwc at ips.gov.au
Sun May 23 09:05:47 EST 2010
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 22/2330Z MAY 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (22 MAY)
Date T index Conditions
22 May 11 Normal
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 15% during local day,
Depressed by 20% during local night.
Niue Island Region:
Depressed by 25% during local day,
Near predicted monthly values during local night.
Northern Australian Region:
Depressed by 15% during local day,
Near predicted monthly values during local night.
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 (23 MAY - 25 MAY)
Date T index Conditions MUFs
23 May 20 Normal Near predicted monthly values
24 May 20 Normal Near predicted monthly values
25 May 20 Normal Near 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 the lack of sunspots on the visible solar disc. Expect MUFs
to return to normal monthly predicted values as solar activity
on the visible disc increases slightly.
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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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