AWiFS

Advanced Wide Field Sensor

Satellites

IRS-P6 (ResourceSat-1) and ResourceSat-2

Status

Operational – Utilised in the period: 2003 to ~ 2013

Mission

Land and vegetation observation

Instrument type

Two parallel radiometers, 4 VIS/NIR/SWIR channels

Scanning technique

Bushbroom, 12000 pixel/line, swath 740 km (with two instruments)

Coverage/cycle

Global coverage in 5 days, in daylight

Resolution (s.s.p.)

56 m IFOV

Resources

Mass: 103.6 kg - Power: 114 W - Data rate: 52.5 Mbps

Central wavelength

Spectral interval

Radiometric accuracy (SNR)

0.555 µm

0.52 – 0.59 µm

…... @ ….. % albedo

0.650 µm

0.62 – 0.68 µm

…... @ ….. % albedo

0.815 µm

0.77 – 0.86 µm

…... @ ….. % albedo

1.625 µm

1.55 – 1.70 µm

…... @ ….. % albedo