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Sentinel-6/Jason-CS Data Access and Tools

Data collected by NASA’s Sentinel-6/Jason-CS are integral for tracking sea surface height as well as temperature and humidity in the troposphere. Explore Sentinel-6/Jason-CS datasets and learn more about relevant data tools.

Latest Data Release: July 16, 2026 - The first public release of Sentinel-6B radar altimeter mission data provides sea surface height measurements from the mission's long-established reference orbit. Learn more.

View the latest project data releases, updates, and outage notifications.

Datasets

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Dataset Instrument Temporal Extent Version Data State Data Format Science Keywords
Sentinel-6A MF Jason-CS L2 P4 Altimeter Low Resolution (LR) NRT Ocean Surface Topography Poseidon-4 Radar Altimeter, DORIS, GNSS RECEIVER, AMR 2020-11-30 to Present F ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L2 P4 Altimeter Low Resolution (LR) NRT Reduced Ocean Surface Topography Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2020-12-07 F ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L2 P4 Altimeter Low Resolution (LR) NTC Ocean Surface Topography F08 Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2020-11-30 F08 ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L2 P4 Altimeter Low Resolution (LR) NTC Ocean Surface Topography G01 Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2020-11-30 G01 ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L2 P4 Altimeter Low Resolution (LR) NTC Ocean Surface Topography (Unvalidated) F08 Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2020-11-30 F08 ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L2 P4 Altimeter Low Resolution (LR) NTC Ocean Surface Topography (Unvalidated) G01 Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2020-11-30 G01 ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L2 P4 Altimeter Low Resolution (LR) NTC Reduced Ocean Surface Topography F08 Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2020-11-30 F08 ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L2 P4 Altimeter Low Resolution (LR) NTC Reduced Ocean Surface Topography G01 Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2020-11-30 G01 ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L2 P4 Altimeter Low Resolution (LR) NTC Reduced Ocean Surface Topography (Unvalidated) F08 Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2020-11-30 F08 ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L2 P4 Altimeter Low Resolution (LR) NTC Reduced Ocean Surface Topography (Unvalidated) G01 Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2020-11-30 G01 ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L2 P4 Altimeter Low Resolution (LR) STC Ocean Surface Topography Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2020-12-07 F ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L2 P4 Altimeter Low Resolution (LR) STC Reduced Ocean Surface Topography Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2020-12-07 F ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L2P P4 Altimeter High Resolution (HR) NTC Ocean Surface Topography F08 Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2020-11-30 F08 ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L2P P4 Altimeter High Resolution (HR) NTC Ocean Surface Topography G01 Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2020-11-30 G01 ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L2P P4 Altimeter Low Resolution (LR) NTC Ocean Surface Topography F08 Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2020-11-30 F08 ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L2P P4 Altimeter Low Resolution (LR) NTC Ocean Surface Topography G01 Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2020-11-30 G01 ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L3 P4 Altimeter High Resolution (HR) NTC Ocean Surface Topography (Unfiltered) Version F08 Poseidon-4 Radar Altimeter 2020-11-30 F08 ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L3 P4 Altimeter High Resolution (HR) NTC Ocean Surface Topography (Unfiltered) Version G01 Poseidon-4 Radar Altimeter 2020-11-30 G01 ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L3 P4 Altimeter Low Resolution (LR) NTC Ocean Surface Topography (Unfiltered) Version F08 Poseidon-4 Radar Altimeter 2020-11-30 F08 ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6A MF Jason-CS L3 P4 Altimeter Low Resolution (LR) NTC Ocean Surface Topography (Unfiltered) Version G01 Poseidon-4 Radar Altimeter 2020-11-30 G01 ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6B/Jason-CS L1A P4 Altimeter High Resolution (HR) STC Intermediate Outputs with Instrument Calibrations Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER, GNSS-RO RECEIVER, Star Tracker 2025-11-17 G ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6B/Jason-CS L1B P4 Altimeter High Resolution (HR) STC Geolocated Waveforms Poseidon-4 Radar Altimeter 2025-11-17 G ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6B/Jason-CS L1B P4 Altimeter Low Resolution (LR) STC Geolocated Waveforms Poseidon-4 Radar Altimeter 2025-11-17 G ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6B/Jason-CS L2 Advanced Microwave Radiometer (AMR-C) NRT Geophysical Parameters AMR 2025-11-17 G ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
Sentinel-6B/Jason-CS L2 Advanced Microwave Radiometer (AMR-C) STC Geophysical Parameters AMR 2025-11-17 G ACTIVE netCDF-4 Sea Surface Height, Significant Wave Height
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Sentinel-6/Jason-CS Data Tools

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Tool Description Services
HiTIDE Use HiTIDE to subset and download popular Level 2 (swath) datasets. Search and Discovery, Subsetting, Downloading
RTC Stack Processor The radiometric terrain correction (RTC) stack processor tool facilitates time-series analysis of such phenomena as flooding events, deforestation, or glacier retreat. Analysis, Processing, Search and Discovery, Visualization
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