We are in the process of migrating all NASA Earth science data sites into Earthdata from now until end of 2026. Not all NASA Earth science data and resources will appear here until then. Thank you for your patience as we make this transition.
Read about the Web Unification Project
Poseidon-4 Radar Altimeter Data Access and Tools
Explore Poseidon-4 Radar Altimeter datasets and learn more about relevant data tools.
Datasets
| Dataset | Temporal Extent | Spatial Extent | Version | Data State | Processing Level | Data Format | Related Topics |
|---|---|---|---|---|---|---|---|
| NASA-SSH PDO Sea Surface Height Indicator | 1993-01-04 | N: 66 S: -66 E: 180 W: -180 | 1 | ACTIVE | 4 | ASCII | Sea Level, Sea Surface Height |
| NASA-SSH Global Mean Sea Level from Simple Gridded Sea Surface Height | 1993-01-04 | N: 66 S: -66 E: 180 W: -180 | 1 | ACTIVE | 4 | ASCII | Sea Level, Sea Surface Height |
| NASA-SSH IOD Sea Surface Height Indicator | 1993-01-04 | N: 66 S: -66 E: 180 W: -180 | 1 | ACTIVE | 4 | ASCII | Sea Level, Sea Surface Height |
| NASA-SSH ENSO Sea Surface Height Indicator | 1993-01-04 | N: 66 S: -66 E: 180 W: -180 | 1 | ACTIVE | 4 | ASCII | Sea Level, Sea Surface Height |
| MEaSUREs Gridded Sea Surface Height Anomalies Version 2205 | 1992-10-01 | N: 80 S: -80 E: 180 W: -180 | 2205 | ACTIVE | 4 | netCDF-4 | Sea Surface Height |
| NASA-SSH Along-Track Sea Surface Height from Standardized Reference Missions Version 1 | 1992-10-25 to Present | N: 90 S: -90 E: 180 W: -180 | 1 | ACTIVE | 2 | netCDF-4 | Sea Surface Height, Sea Surface Height Anomaly (SSHA) |
| Sentinel-6A MF Jason-CS L2 P4 Altimeter High Resolution (HR) NRT Ocean Surface Topography | 2020-12-07 | N: 66.15 S: -66.15 E: 180 W: -180 | F | ACTIVE | 2 | netCDF-4 | Sea Surface Height, Significant Wave Height |
| Sentinel-6A MF Jason-CS L1B P4 Altimeter Low Resolution (LR) NTC Geolocated Waveforms F08 | 2020-11-30 | N: 66.15 S: -66.15 E: 180 W: -180 | F08 | ACTIVE | 1B | netCDF-4 | Sea Surface Height, Significant Wave Height |
| Sentinel-6A MF Jason-CS L2 P4 Altimeter High Resolution (HR) NTC Reduced Ocean Surface Topography G01 | 2020-11-30 | N: 66.15 S: -66.15 E: 180 W: -180 | G01 | ACTIVE | 2 | netCDF-4 | Sea Surface Height, Significant Wave Height |
| Sentinel-6A MF Jason-CS L2 P4 Altimeter Low Resolution (LR) NRT Ocean Surface Topography | 2020-11-30 to Present | N: 66.15 S: -66.15 E: 180 W: -180 | F | ACTIVE | 2 | netCDF-4 | Sea Surface Height, Significant Wave Height |
SHOWING 10 OF 48
Frequently Asked Questions
Earthdata Forum
Our online forum provides a space for users to browse thousands of FAQs about research needs, data, and data applications. You can also submit new questions for our experts to answer.
Submit Questions to Earthdata Forumand View Expert Responses