[Ips-dhfpr] IPS Daily HF Prop Report - 20 November 02
rwc
rwc at ips.gov.au
Thu Nov 21 10:47:43 EST 2002
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z NOVEMBER 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 NOVEMBER)
Date T index Conditions
20 Nov 84 Normal-fair
Flares Max Fadeout Freq. Sectors
M1/SN 1807UT possible lower East Pacific/
North American
MUFs:
Equatorial PNG Region:
Enhanced by 15% during local day,
Enhanced by 15% during local night.
Northern Australian Region:
Mostly near predicted monthly values,
Depressed by 30% after local dawn.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Some sites 20% depressed after local dawn.
Antarctic Region (Casey/Scott Base):
pread F observed.
PCA Event : No event.
Predicted Monthly T index for November: 91
2. FORECAST (21 NOVEMBER - 23 NOVEMBER)
Date T index Conditions MUFs
21 Nov 70 Normal-Fair depressed 10 to 20%/near predicted
monthly values
22 Nov 80 Normal-Fair depressed 10 to 15%/near predicted
monthly values
23 Nov 70 Normal depressed 10 to 25%/near predicted
monthly values
COMMENT: Depressed conditions observed after local dawn this
morning at some sites. MUFs are expected to recover as day progresses.
A further mild degradation can be expected for southern region
sites from 22-24 Nov, due to anticipated coronal hole induced
geomagnetic activity.
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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