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Sentinel-6A MF Jason-CS L2 P4 Altimeter High Resolution (HR) NTC Reduced Ocean Surface Topography (Unvalidated) F08

Published by NASA/JPL/PODAAC | National Aeronautics and Space Administration | Catalog Last Checked: June 09, 2026 at 08:42 PM | Dataset Last Updated: June 08, 2026
Provides reprocessed L2 high resolution (HR) non-time critical (NTC; 60-day latency) altimetry from the Poseidon-4 SAR altimeter on the Sentinel-6A Michael Freilich 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 S6A NTC product is analogous to the Jason-3 GDR product.

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Complete Metadata
@type dcat:Dataset
accessLevel public
bureauCode 
                                            [
  "026:00"
]
contactPoint 
                                            {
  "fn": "Earthdata Forum",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:earthdata-support@nasa.gov"
}
description Provides reprocessed L2 high resolution (HR) non-time critical (NTC; 60-day latency) altimetry from the Poseidon-4 SAR altimeter on the Sentinel-6A Michael Freilich 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 S6A NTC product is analogous to the Jason-3 GDR product.
distribution 
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identifier 10.5067/S6AP4-2HRNUR-F08
keyword 
                                            [
  "earth-science-ocean-waves-oceans-significant-wave-height",
  "earth-science-sea-surface-topography-oceans-sea-surface-height"
]
license https://www.usa.gov/government-works
modified 2026-06-08
programCode 
                                            [
  "026:000"
]
publisher 
                                            {
  "name": "NASA/JPL/PODAAC",
  "@type": "org:Organization"
}
spatial 
                                            "["CARTESIAN", [{"NorthBoundingCoordinate": 66.15, "WestBoundingCoordinate": -180.0, "EastBoundingCoordinate": 180.0, "SouthBoundingCoordinate": -66.15}]]"
theme 
                                            [
  "Earth Science"
]
title Sentinel-6A MF Jason-CS L2 P4 Altimeter High Resolution (HR) NTC Reduced Ocean Surface Topography (Unvalidated) F08

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