Measurements and Applications
All-weather images of ocean, land and ice for monitoring of land surface processes, sea and polar ice, sea state, and geological and hydrological applications. Has 2 stripmap modes (Image and Wave (for ocean wave spectra)) and 3 ScanSAR modes.
Full Name
Advanced Synthetic-Aperture Radar
Status
No longer operational
Instrument Agencies
Maturity
Instrument Type
Imaging microwave radars 
Geometry
Instrument Technology
Imaging radar (SAR)
Sampling
Imaging
Data Access
Constrained Access
Data Format
Resolution
Image, wave and alternating polarisation modes: approx 30 x 30 m, Wide swath mode: 150 x 150 m, Global monitoring mode: 950 m x 950 m
[Best Resolution: 30m]
Swath
Image and alternating polarisation modes: up to 100 km, Wave mode: 5 km, Wide swath and global monitoring modes: 400 km or more
[Max Swath: 493 km]
Accuracy
Radiometric resolution in range: 1.5 - 3.5 dB, Radiometric accuracy: 0.65 dB
Waveband
Microwave: C-band, with choice of 5 polarisation modes (VV, HH, VV/HH, HV/HH, or VH/VV)
| MW (~0.1 cm - ~100 cm) |
| C-Band (8 - 4 GHz) |
Envisat - Environmental Satellite (2002 - 2012) |