[Ips-dhfpr] IPS Daily HF Prop Report - 20 September 13 issued 2330 UT on 20 Sep 2013
Regional Warning Centre
rwc at ips.gov.au
Sat Sep 21 09:30:24 EST 2013
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 SEPTEMBER 2013 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 SEPTEMBER)
Date T index Conditions
20 Sep 59 Fair-normal
Cocos Island Region:
Enhanced 10-35% during 03-08 UT.
Depressed 20-30% during 13-20 UT.
Niue Island Region:
Enhanced 10-25% during 00-11 UT.
Depressed 30% during 14-17 UT.
Northern Australian Region:
Enhanced 10-20% during 00-05 UT.
Depressed 10-30% during 13-20 UT.
Southern Australian and New Zealand Region:
Mostly depressed 10-30%.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
2. FORECAST (21 SEPTEMBER - 23 SEPTEMBER)
Date T index Conditions MUFs
21 Sep 70 Normal Near predicted monthly values
22 Sep 75 Normal Near predicted monthly values
23 Sep 75 Normal Near predicted monthly values
COMMENT: Strong day time enhancements occurred at Cocos Island,
Niue and across the Northern Australian Region. Ionospheric conditions
were otherwise generally depressed throughout the Australian
Region for 20 September. The 10.7 cm solar flux is trending upwards
and propagation conditions are expected to return to near predicted
monthly values for 21-22 September.
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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