[Ips-dhfpr] IPS Daily HF Prop Report - 19 July 10
rwc
rwc at ips.gov.au
Tue Jul 20 09:42:09 EST 2010
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 19/2330Z JULY 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (19 JULY)
Date T index Conditions
19 Jul 15 Normal
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 20% during local day,
Depressed by 25% during local night.
Niue Island Region:
Near predicted monthly values.
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 July: 27
2. FORECAST (20 JULY - 22 JULY)
Date T index Conditions MUFs
20 Jul 15 Normal near predicted monthly values/depressed
10 to 20%
21 Jul 15 Normal near predicted monthly values/depressed
10 to 20%
22 Jul 20 Normal Near predicted monthly values
COMMENT: Nominal conditions with slightly lower ionisation and
maximum frequencies due to the relatively modest EUV radiation
from only two active regions on the disc AR1087 and 1089. Expected
to continue for a couple of days before moderate geomagnetic
activity raises frequencies for 2-3 days.
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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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