[Ips-dhfpr] IPS Daily HF Prop Report - 16 December 02
rwc
rwc at ips.gov.au
Tue Dec 17 10:27:49 EST 2002
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 16/2330Z DECEMBER 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (16 DECEMBER)
Date T index Conditions
16 Dec 145 Normal
Flares Max Fadeout Freq. Sectors
M2.6 1115UT possible lower European
M2.1 2257UT possible lower West Pacific
MUFs:
Equatorial PNG Region:
Enhanced by 15-20% during local day,
Northern Australian Region:
Near predicted monthly values during local day,
Enhanced by 35% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day,
Enhanced by 30% during local night.
Antarctic Region (Casey/Scott Base):
Enhanced by 20% over the UT day.
PCA Event : No event.
Predicted Monthly T index for December: 90
2. FORECAST (17 DECEMBER - 19 DECEMBER)
Date T index Conditions MUFs
17 Dec 130 Normal 10 to 15% above predicted monthly
values
18 Dec 80 Normal-fair near predicted monthly values/depressed
10 to 15%
19 Dec 80 Fair-normal depressed 10 to 15%/near predicted
monthly values
COMMENT: IPS HF Communications Warning 77 was issued on 15 December
and is current for interval 18-19 December. Isolated shortwave
fadeout activity expected. Degraded conditions expected around
18 Dec due to anticapated 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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