Jason-1 GDR version E NetCDF Geodetic

Published by NASA/JPL/PODAAC | National Aeronautics and Space Administration | Metadata Last Checked: October 25, 2025 | Last Modified: 2025-04-23

The Jason-1 Geophysical Data Records (GDR) Geodetic Mission contain full accuracy altimeter data, with a high precision orbit, provided approximately 35 days after data collection. The data are sorted into cycles that are approximately 11 days long and contain 280 pass files. The instruments on Jason-1 make direct observations of the following quantities: altimeter range, significant wave height, ocean radar backscatter cross-section (a measure of wind speed), ionospheric electron content (derived by a simple formula), tropospheric water content, mean sea surface, and position relative to the GPS satellite constellation. The GDR contain all relevant corrections needed to calculate the sea surface height.

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Complete Metadata

bureauCode	[ "026:00" ]
identifier	C2491731827-POCLOUD
issued	2014-03-17
landingPage	https://cmr.earthdata.nasa.gov:443/search/concepts/C2491731827-POCLOUD.html
language	[ "en-US" ]
programCode	[ "026:001" ]
spatial	-180.0 -66.15 180.0 66.15
temporal	2012-05-07T16:00:00Z/2013-06-21T00:56:55Z
theme	[ "JASON-1", "geospatial" ]