Sentinel-6B/Jason-CS L2 P4 Altimeter High Resolution (HR) NRT Reduced Ocean Surface Topography

Provides L2 high resolution (HR) near real time (NRT; 3-hour latency) altimetry from the Poseidon-4 SAR altimeter on the Sentinel-6B spacecraft. It contains Sea Surface Height (SSH), Sea Surface Height Anomalies (SSHA) and Significant Wave Height (SWH), along with 1 Hz Ku-band measurements processed from L1B altimetry including the range, orbital altitude, time, and water vapour. It also includes altimetry corrections, significant wave height and wind-speed from the AMR-C. This release is reduced to exclude the 20 Hz observations that are included in the standard product. The S6B NRT product is analogous to the Jason-3 OGDR product.

Data and Resources

Additional Info

Field Value
Maintainer Earthdata Forum
Last Updated November 5, 2026, 08:51 (UTC)
Created August 11, 2026, 01:16 (UTC)
Identifier 10.5067/S6BP4-2HRNR
Modified 2026-11-02T22:15:59Z
Theme {"Earth Science"}
accessLevel public
bureauCode {026:00}
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
harvest_object_id 7cc8de18-066c-476d-8a9e-9c5db771da3f
harvest_source_id b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title Science Discovery Engine
license https://www.usa.gov/government-works
programCode {026:000}
publisher NASA/JPL/PODAAC
resource-type Dataset
source_datajson_identifier true
source_hash 86e55f9809f813df477211fcacae0ca87e6cc0f08bd6bbc2aef5d8ae5e9df507
source_schema_version 1.1
spatial ["CARTESIAN", [{"NorthBoundingCoordinate": 66.15, "WestBoundingCoordinate": -180, "EastBoundingCoordinate": 180, "SouthBoundingCoordinate": -66.15}]]