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Sensors 2006, 6(3), 208-234;

AltiKa: a Ka-band Altimetry Payload and System for Operational Altimetry during the GMES Period

IFREMER, 155 rue Jean-Jacques Rousseau, 92138 Issy-Les-Moulineaux, France
Centre National d’Etudes Spatiales, 18 Avenue E. Belin, 31401 Toulouse Cédex 9, France
Alcatel Alenia Space, 26 Avenue J.F. Champollion, BP 1187, 31037 Toulouse Cédex 1, France
LEGI, UMR 5519, BP 53, 38041 Grenoble Cédex 9, France
Author to whom correspondence should be addressed.
Received: 6 August 2005 / Accepted: 10 March 2006 / Published: 17 March 2006
(This article belongs to the Special Issue Satellite Altimetry: New Sensors and New Application)
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This paper describes the Ka-band altimetry payload and system that has beenstudied for several years by CNES, ALCATEL SPACE and some science laboratories.Altimetry is one of the major elements of the ocean observing system to be madesustainable through the GEOSS (Global Earth Observation System of Systems) and GMES(Global Monitoring of the Environment and Security) programs. A short review of somemission objectives to be fulfilled in terms of mesoscale oceanography in the frame of theGEOSS and GMES programs is performed. To answer the corresponding requirements, theapproach consisting in a constellation of nadir altimeter is discussed. A coupled Ka-bandaltimeter-radiometer payload is then described; technical items are detailed to explain howthis payload shall meet the science and operational requirements, and expectedperformances are displayed. The current status of the payload development and flightperspectives are given. View Full-Text
Keywords: altimeter; radiometer; ocean mesoscale circulation; Ka-band. altimeter; radiometer; ocean mesoscale circulation; Ka-band.
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Vincent, P.; Steunou, N.; Caubetq, E.; Phalippou, L.; Rey, L.; Thouvenot, E.; Verron, J. AltiKa: a Ka-band Altimetry Payload and System for Operational Altimetry during the GMES Period. Sensors 2006, 6, 208-234.

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