[Ips-dhfpr] IPS Daily HF Prop Report - 18 December 02
rwc
rwc at ips.gov.au
Thu Dec 19 10:12:47 EST 2002
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 18/2330Z DECEMBER 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (18 DECEMBER)
Date T index Conditions
18 Dec 152 Normal
Flares Max Fadeout Freq. Sectors
M2.4/1N 0642UT possible lower Mid East/Indian
M1.6/SF 17/2335UT possible lower West Pacific
MUFs:
Equatorial PNG Region:
Enhanced by 15% during local day,
Near predicted monthly values 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:
Near predicted monthly values during local day,
Enhanced by 35% during local night.
Antarctic Region (Casey/Scott Base):
Near predicted monthly values over the UT day.
PCA Event : No event.
Predicted Monthly T index for December: 90
2. FORECAST (19 DECEMBER - 21 DECEMBER)
Date T index Conditions MUFs
19 Dec 160 Normal-fair 15 to 20% above predicted monthly
values
20 Dec 80 Fair-normal depressed 10 to 15%/near predicted
monthly values
21 Dec 80 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. The anticpated coronal hole high speed
wind stream has yet to eventuate. As such depressed MUF forecast
has been slipped out by one day.
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
More information about the ips-dhfpr
mailing list