[Ips-dhfpr] IPS Daily HF Prop Report - 12 September 03
rwc at ips.gov.au
Sat Sep 13 08:34:07 EST 2003
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 12/2330Z SEPTEMBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (12 SEPTEMBER)
Date T index Conditions
12 Sep 55 Normal
Equatorial PNG Region:
Enhanced by 15% during local day,
Enhanced by 30% during local night.
Northern Australian Region:
Near predicted monthly values during local day,
Enhanced by 20% during local night.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values,
Antarctic Region (Casey/Scott Base):
Near predicted monthly values over the UT day.
Spreead F observed.
PCA Event : No event.
Predicted Monthly T index for September: 57
2. FORECAST (13 SEPTEMBER - 15 SEPTEMBER)
Date T index Conditions MUFs
13 Sep 55 Normal depressed 10 to 15%/near predicted
14 Sep 65 Normal-Fair near predicted monthly values
15 Sep 50 Fair-Normal depressed 10 to 15%/near predicted
COMMENT: Some southern region sites may experience 10-15% depressed
MUFs at times today. Northern Aus region MUFs expected to be
near to 15% above predicted monthly values.A trend of improving
HF conditions is expected for today, before a return to midly
degraded conditions 14-15 Sep, southern Aus/NZ region only, due
the the expected arrival of a weak mass ejection from two recently
erupting solar filaments.
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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