[Ips-dhfpr] IPS Daily HF Prop Report - 21 February 02
rwc
rwc at ips.gov.au
Fri Feb 22 10:12:45 EST 2002
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z FEBRUARY 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (21 FEBRUARY)
Date T index Conditions
21 Feb 159 Normal
Flares Max Fadeout Freq. Sectors
M4.3 1226UT probable lower European
M1.1 1827UT possible lower East Pacific/
North American
M1.5 2037UT possible lower East Pacific/
North American
MUFs:
Equatorial PNG Region:
Enhanced by 15% during local day,
Enhanced by 20% during local night.
Enhanced by 20% after local dawn.
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 30% during local night.
Enhanced by 15% after local dawn.
Antarctic Region (Casey/Scott Base):
Enhanced by 20% over the UT day.
Predicted Monthly T index for February: 114
2. FORECAST (22 FEBRUARY - 24 FEBRUARY)
Date T index Conditions MUFs
22 Feb 150 Normal 15-20% above predicted monthly
values
23 Feb 130 Normal-Fair Near predicted monthly values
24 Feb 110 Normal Near predicted monthly values
COMMENT: IPS HF Communications Warning 7 was issued on 19 February
and is current for interval 20-22 February (SWFs) .
IPS Radio and Space Services | email: asfc at ips.gov.au
PO Box 1386 | WWW: http://www.ips.gov.au/asfc
Haymarket NSW 1240 AUSTRALIA | FTP: ftp://ftp.ips.gov.au/users/asfc/
tel: +61 2 9213 8010 | fax: +61 2 9213 8060
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