[Ips-dhfpr] IPS Daily HF Prop Report - 21 July 10
rwc at ips.gov.au
Thu Jul 22 09:40:57 EST 2010
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z JULY 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (21 JULY)
Date T index Conditions
21 Jul 29 Normal
Cocos Island Region:
Depressed by 25% during local day,
Depressed by 20% during local night.
Niue Island Region:
Mostly 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 during local day,
Enhanced by 25% during local night.
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 (22 JULY - 24 JULY)
Date T index Conditions MUFs
22 Jul 30 Normal Near predicted monthly values
23 Jul 30 Normal Near predicted monthly values
24 Jul 25 Normal near predicted monthly values/depressed
10 to 20%
COMMENT: Ionisation and MUFs have increased to near monthly median
levels due to AR1089 EUV and x-ray flux and Unsettled geomagnetic
activity. MUFs should remain near monthly medians for at least
a couple of days due to AR1089, slightly decreasing when the
geomagnetic activity subsides after the corinal hole passage.
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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