CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- SIRAL
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Full Name
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SAR Interferometer Radar Altimeter
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Status
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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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Radar altimeters 
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Geometry
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Nadir-viewing
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Instrument Technology
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Radar altimeter
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Sampling
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Other
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Data Access
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Open Access
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Data Format
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Measurements and Applications
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Marine ice and terrestrial ice sheet thickness measurement.
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Resolution Summary
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Range resolution 45 cm, along-track resolution 250 m
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Swath Summary
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Footprint 15 km
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Accuracy Summary
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Arctic sea-ice: 1.6 cm/year for 300 km x 300 km cells, Land ice (small scale): 3.3 cm/year for 100 x 100 km cells, Land ice (large scale): 0.17 cm/year for Antarctica size area
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Waveband Summary
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Microwave: 13.575 GHz (Ku-Band)
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| MW (~0.1 cm - ~100 cm) |
| Ku-Band (12.5 to 18 GHz) |
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Instrument Measurements
Measurements Overview
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Instrument Missions
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