National Oceanic and Atmospheric Administration, United States Department of Commerce

Search - JASON-TEL

Data Description

    OSTM/Jason-2 and Jason-3 Telemetry, 2008-present - This collection contains Ocean Surface Topography Mission (OSTM)/Jason-2 and Jason-3 telemetry data. Dataset consists of raw Level-0 telemetry data from the satellite spacecraft. There are three datatypes produced: Housekeeping Telemetry - Recorded (HKTM-R) is stored on the spacecraft for later downlink, Payload Telemetry 1 (PLTM-1) is the payload science data from the core-mission payloads: Poseidon-3/3B, DORIS, AMR, and GPSP and Payload Telemetry 2 (PLTM-2) is the payload science data from the passenger mission of opportunity payloads: CARMEN-2, L2T2 and LPT. These data are subject to access restrictions. OSTM/Jason-2 and Jason-3 are follow-on missions continuing the TOPEX/Poseidon and JASON-1 missions, and were designed to ensure continuity of high quality measurements for ocean science and to provide operational products for assimilation and forecasting applications. The missions a are joint effort by National Oceanic and Atmospheric Administration (NOAA), European Organization for the Exploitation of Meteorological Satellites (EUMETSAT), France’s Centre National d’Études Spatiales (CNES) and National Aeronautics and Space Administration (NASA). OSTM/Jason-2 was launched on 20 June 2008 and reached its nominal repetitive orbit on 4 July 2008. The start of cycle 1 occurred on 12 July 2008. After more than 11 years in orbit and well beyond its three- to five-year mission baseline, the Ocean Surface Topography Mission (OSTM) on Jason-2 permanently ceased acquisition of scientific data at 06:48 UTC on 1 October 2019 due to aging-related issues onboard the spacecraft. The development of the Jason-3 mission, and related Ground Segment, is based on a recurrent Jason satellite and ground system with a similar partnership scheme to OSTM/Jason-2. The Jason-3 satellite was launched on 17 January 2016 from Vandenberg Air Force Base in California, on a SpaceX Falcon 9 launcher, and was placed in the same orbit as OSTM/Jason-2. The satellite went operational on 14 October 2016.

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(maximum range is 366 days)

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