[Ips-dhfpr] IPS Daily HF Prop Report - 18 September 13 issued 2330 UT on 18 Sep 2013
rwc at ips.gov.au
Thu Sep 19 09:30:56 EST 2013
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/18 SEPTEMBER 2013 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (18 SEPTEMBER)
Date T index Conditions
18 Sep 65 Fair-normal
Cocos Island Region:
Depressed by 10-30% during 01-07 UT and 10-23 UT.
No day time enhancement.
Niue Island Region:
Depressed by 10-30% during 00-06 UT and 12-18 UT.
Enhanced by 5-20% during 08-11 UT.
Northern Australian Region:
Depressed by 5-30% for most of the day.
Occasionally at predicted monthly values
Southern Australian and New Zealand Region:
Depressed 5-10% for much of the day.
Slightly enhanced during 10-15 UT.
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 (19 SEPTEMBER - 21 SEPTEMBER)
Date T index Conditions MUFs
19 Sep 70 Normal Near predicted monthly values
20 Sep 75 Normal Near predicted monthly values
21 Sep 75 Normal Near predicted monthly values
COMMENT: Ionospheric support for HF propagation were moderately
depressed for the Australian region during 18 September. The
Perth region was an exception with enhancements of 5-35% during
12-23 UT. The 10.7 cm solar flux is trending upwards and this
suggests HF propagation support will return to predicted monthly
values in coming days.
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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