CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- SGR-ReSI-Z
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Full Name
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Space GNSS Receiver - Remote Sensing Instrument - Z
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Status
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Operational
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Instrument Agencies
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UKSA , ESA
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Maturity
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Instrument Type
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Other
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Geometry
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Nadir-viewing
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Instrument Technology
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GNSS receiver
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Sampling
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Other
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Data Access
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Constrained Access
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Data Format
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NetCDF L1b (Delay Doppler Maps) and L2 (ocean wind speed)
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Measurements and Applications
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Ocean winds, waves, soil moisture, flooding, ice, snow
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Resolution Summary
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20-50 km for diffuse scattering, higher resolution for coherent reflections
[Best Resolution: 500m]
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Swath Summary
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Tracks sampled up to approx 700 km apart, wider possible with different antenna
[Max Swath: 700 km]
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Accuracy Summary
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Approx 2 m/s wind speed accuracy (lower winds), target 10% for higher winds
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Waveband Summary
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L-Band (1575 MHz & 1176 MHz)
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Instrument Measurements
Measurements Overview
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Instrument Missions
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