PRISM

Panchromatic Remote-sensing Instrument for Stereo Mapping

Satellite

ALOS

Status

Operational – Utilised in the period 2006 to ~ 2010

Mission

Digital Elevation Model (DEM) by stereoscopy

Instrument type

Single-channel (0.52-0.77 µm) radiometer with three views, fore-, nadir and aft- (± 24° and nadir)

Scanning technique

Push-broom, nadir image 28000 pixel/line / 70 km swath, fore- and aft- 14000 pixel/line / 35 km swath

Coverage/cycle

Global coverage in 46 days for nadir imagery, 96 days for stereoscopy

Resolution (s.s.p.)

2.5 m IFOV for the nadir image

Resources

Mass: … kg - Power: … W - Data rate: 960 Mbps