TOU/SBUS

Total Ozone Unit and Solar Backscatter Ultraviolet Sounder

Satellites

FY-3 A to G

Status

Operational – Utilised in the period: 2008 to ~ 2024

Mission

Ozone total column and vertical profile

Instrument type

Two UV spectro-radiometers. TOU with 6 channels of 1.2 nm bandwidth in the range 308-360 nm, SBUS with 12 discrete channels of 1.15 nm bandwidth in the range 252-340 nm

Scanning technique

TOU cross-track scanning, swath 3000 km, SBUS nadir view only

Coverage/cycle

TOU: global coverage once/day. SBUS: global coverage (200 km spacing) in 7 days. Daylight

Resolution

50 km for total ozone from TOU, 200 km for ozone profile from SBUS

Resources

Mass: … kg - Power: … W - Data rate: … kbps