Jason-3 GPS based orbit and SSHA OGDR
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DOINot Registered
Short NameJASON_3_L2_OST_OGDR_GPS
DescriptionThis is a near real time dataset that provides a GPS based orbit and Sea Surface Height Anomalies (SSHA) from that orbit. It is similar to the Jason-3 Operation Geophysical Data Record (OGDR) that is distributed at NOAA (http://www.nodc.noaa.gov/sog/jason/), but includes the GPS orbit and SSHA as two additional variables. It has a 5 hour time lag due to the time needed to calculate the GPS orbit and SSHA. The GPS orbits have been shown to be more accurate than the DORIS orbits on a near real time scale and therefore produces a more accurate SSHA.
VersionA
Dataset TypePREVIEW
MeasurementOCEANS > OCEAN WAVES > SIGNIFICANT WAVE HEIGHT > NONE
OCEANS > SEA SURFACE TOPOGRAPHY > SEA SURFACE HEIGHT > NONE
Processing Level2
CoverageRegion: Global
Northernmost Latitude: 66 degrees
Southernmost Latitude: -66 degrees
Westernmost Longitude: -180 degrees
Easternmost Longitude: 180 degrees
Time Span: 2016-Sep-30 to Present
Granule Time Span: 2016-Sep-30 to 2020-Jul-15
ResolutionSpatial Resolution: 11.2 km (Along) x 5.1 km (Across)
ProjectionType: Swath
Detail: N/A
Ellipsoid:
Latency5 hours
Swath Width5.1 km
Sample Frequency1
Temporal Repeat (Nominal)10 Day
Temporal Repeat (Min)-
Temporal Repeat (Max)-
Platform/Sensor
JASON-3
Platform
Name: Jason-3 (JASON-3)
Orbit Period: 112 minutes
Inclination Angle: 66.05 degrees
Ascending Node: 1970-Jan-01 00:00:00
/
POSEIDON-3
SENSOR
Name: OSTM/Jason-2 RADAR alitmieter (POSEIDON-3)
Swath Width: 5.1 km
Description: The Poseidon-3 altimeter, operating at 13.575 GHz (Ku band) and 5.3 GHz (C band), is the primary sensor for the OSTM mission. The measurements made at the two frequencies are combined to obtain measurements of the altimeter range, wind speed, significant wave height, and the ionoshperic correction. The Poseidon-3 package consists of dual redundant altimeter units each of which has low mass and low power consumption.

JASON-3
Platform
Name: Jason-3 (JASON-3)
Orbit Period: 112 minutes
Inclination Angle: 66.05 degrees
Ascending Node: 1970-Jan-01 00:00:00
/
AMR
SENSOR
Name: Advanced Microwave Radiometer (AMR)
Swath Width: - km
Description: -

JASON-3
Platform
Name: Jason-3 (JASON-3)
Orbit Period: 112 minutes
Inclination Angle: 66.05 degrees
Ascending Node: 1970-Jan-01 00:00:00
/
GPSP
SENSOR
Name: Global Positioning System Payload (GPSP)
Swath Width: 5.2 km
Description: GPSP

ProjectJASON-3 (JASON-3)
Data ProviderCreator: Desai, Shailen
Release Place: JPL
Release Date: 2016-Oct-10
Resource: -
Persistent IDPODAAC-J2OGR-GPSHA
Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov
Citation Desai, Shailen. 2016. Jason-3 GPS based orbit and SSHA OGDR. Ver. A. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD].

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