1. Department of Geoscience and Remote Sensing, Delft University of Technology, Delft, CD, The Netherlands
2. IsardSAT, Barcelona, Spain
3. Laboratoire d’Océanographie Physique et Spatiale, CNRS, Institut Francais de Recherche pour l’Exploitation de la Mer, IRD, Université de Brest, Plouzané, France
4. Department of Astrodynamics and Space Missions, Delft University of Technology, Delft, CD, The Netherlands
5. Deutsches Geodätisches Forschungsinstitut, Technical University of Munich, Munich, Germany