CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- ASAR
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Full Name
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Advanced Synthetic-Aperture Radar
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Status
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No longer operational
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Instrument Agencies
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ESA
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Maturity
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Instrument Type
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Imaging microwave radars 
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Geometry
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Instrument Technology
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Imaging radar (SAR)
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Sampling
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Imaging
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Data Access
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Constrained Access
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Data Format
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Measurements and Applications
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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.
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Resolution Summary
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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]
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Swath Summary
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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]
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Accuracy Summary
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Radiometric resolution in range: 1.5 - 3.5 dB, Radiometric accuracy: 0.65 dB
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Waveband Summary
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Microwave: C-band, with choice of 5 polarisation modes (VV, HH, VV/HH, HV/HH, or VH/VV)
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| MW (~0.1 cm - ~100 cm) |
| C-Band (8 - 4 GHz) |
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Instrument Measurements
Measurements Overview
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Instrument Missions
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