THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - ALT -
Full Name Radar Altimeter Status Operational
Instrument Agencies NSOAS, CAST Maturity
Instrument Type Radar altimeters Geometry Nadir-viewing
Instrument Technology Radar altimeter Sampling Other
Data Access Data Format
Measurements and Applications Global ocean topography, sea level and gravity field measurements.
Resolution Summary 16 km
Swath Summary 16 km
Accuracy Summary < 4 cm
Waveband Summary 13.58 GHz and 5.25 GHz
MW (~1.0 cm - ~100 cm)
Instrument Measurements
Measurements Overview
CategoryParameter
Ocean topography/currentsSea level
Ocean dynamic topography
Ocean wave height and spectrumSignificant wave height
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Sea Level click here click here Record ID: 11157
Record ID: 11156
Record ID: 11155
Mono-mission along-track Corrected Sea S...
Sea State click here click here search ECV Inventory records
Instrument Missions
HY-2A - Ocean dynamics satellite A (2011 - 2020)
HY-2B - Ocean dynamics satellite B (2018 - 2020)
HY-2C - Ocean dynamics satellite C (2020 - 2023)
HY-2D - Ocean dynamics satellite D (2021 - 2024)
HY-2E - Ocean dynamics satellite E (2021 - 2024)
HY-2F - Ocean dynamics satellite F (2021 - 2024)
HY-2G - Ocean dynamics satellite G (2022 - 2025)
HY-2H - Ocean dynamics satellite H (2024 - 2027)
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