Synthetic Aperture Radar  [C-band] (SAR)

SAR

Advanced Synthetic Aperture Radar (C-band)

Satellites

RadarSat 1/2

Status

Operational – Utilised in the period 1995 to ~ 2015

Mission

High-resolution all-weather multi-purpose imager for ocean, land and ice

Instrument type

C-band SAR, frequency 5.405 GHz, multi-polarisation and variable pointing/resolution

Scanning technique

Side-looking, possible both to left- and right- end, (alternatively) 20-49° off-nadir, swath 25 to 500 km, depending on operation mode – See table

Coverage/cycle

Global coverage in 4 days for the ‘ScanSAR wide’ mode (if used 50 % of the time); in longer periods for other operation modes, up to 6 months

Resolution

3 to 100 m, depending on operation mode – See table

Resources

Mass: 705 kg - Power: 1650 W - Data rate: 105 Mbps



Operation mode

Resolution

Swath

Polarisation

Standard

25 x 28 m2

100 km selectable in the range 250-750 km

HH/HV or VV/VH

Fine

10 x 9 m2

50 km selectable in the range 525-750 km

HH/HV or VV/VH

ScanSAR wide

100 x 100 m2

500 km in the range 250-750

HH/HV or VV/VH

ScanSAR narrow

50 x 50 m2

300 km selectable in the range 300-720 km

HH/HV or VV/VH

Polarimetric standard

25 x 28 m2

25 km selectable in the range 250-600 km

VV/HH, HH/HV, VV/VH

Polarimetric fine

11 x 9 m2

25 km selectable in the range 400-600 km

VV/HH, HH/HV, VV/VH

Multi-look fine

11 x 9 m2

50 km selectable in the range 400-750 km

HH or VV

Ultra-fine

3 x 3 m2

20 km selectable in the range 400-550 km

HH or VV



Last updated June 2008