[Ips-dhfpr] IPS Daily HF Prop Report - 01 April 01
rwc
rwc at ips.gov.au
Mon Apr 2 09:35:04 EST 2001
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 01/2330Z APRIL 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (01 APRIL)
Date T index Conditions
01 Apr 89 Poor-fair
Flares Max Fadeout Freq. Sectors
M5/-- 1055UT possible lower European
M4/-- 1943UT possible lower East Pacific/
North American
M1/-- 2259UT possible lower West Pacific
MUFs:
Equatorial PNG Region:
Near predicted monthly values during local day,
Enhanced by 15% during local night.
Enhanced by 35% after local dawn.
Northern Australian Region:
Mostly near predicted monthly values,
Enhanced by 25% after local dawn.
Southern Australian and New Zealand Region:
Depressed by 40% during local day,
Depressed by 20% during local night.
Spread F observed.
Antarctic Region (Casey/Scott Base):
Depressed by 25% over the UT day.
Absorption and spread F observed.
Predicted Monthly T index for April: 113
2. FORECAST (02 APRIL - 04 APRIL)
Date T index Conditions MUFs
02 Apr 130 Normal-Fair near predicted monthly values
03 Apr 140 Normal near predicted monthly values
04 Apr 140 Normal near predicted monthly values
COMMENT: IPS HF Communications Warning 16 was issued on 31 March
and is current for interval 1-2 April. Very depressed conditions
observed over past 24 Hours in Australian region south of Brisbane.
Northern Australian region MUFs remained near normal. Mildly
degraded HF conditions may be experienced during local night
hours, southern Australian region.
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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