1. European Space Agency, ESTEC; Noordwijk Netherlands
2. NASA Goddard Space Flight Centre; Greenbelt Maryland USA
3. Centre d'Etudes Spatiales de la Biosphère; Toulouse France
4. DTU Space; Technical University of Denmark; Copenhagen Denmark
5. DLR, Microwaves and Radar Institute; Oberpfaffenhofen Germany
6. Department of Signal Theory and Communications; Polythecnic University of Catalonia; Barcelona Spain
7. Department of Radio Science and Engineering; Aalto University; Espoo Finland
8. Institut de Ciències del Mar-CSIC and SMOS Barcelona Expert Centre; Barcelona Spain
9. National Space Science Center; Beijing China
10. European Space Agency, ESRIN; Roma Italy