[Ips-dhfpr] IPS Daily HF Prop Report - 14 April 01
rwc
rwc at ips.gov.au
Sun Apr 15 09:34:38 EST 2001
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 14/2330Z APRIL 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (14 APRIL)
Date T index Conditions
14 Apr 94 Fair
Flares Max Fadeout Freq. Sectors
M1.0 1715UT possible lower South American/
Atlantic
MUFs:
Equatorial PNG Region:
Mostly near predicted monthly values,
Enhanced by 15% after local dawn.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Depressed by 35% during local day,
Depressed by 25% during local night.
Antarctic Region (Casey/Scott Base):
Depressed by 15% over the UT day.
Predicted Monthly T index for April: 120
2. FORECAST (15 APRIL - 17 APRIL)
Date T index Conditions MUFs
15 Apr 95 Normal-Fair Initially near normal, then
becoming depressed 10-20%.
16 Apr 70 Fair 10 to 30% below predicted monthly
values
17 Apr 120 Normal Near predicted monthly values
COMMENT: IPS HF Communications Warning 24 was issued on 12 April
and is current for interval 14-16 April. Degraded HF conditions
expected if shock arrives from X2 flare.
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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