Shiqi Xu, Natalia Bliankinshtein, National Research Council Canada, Canada; Lei Liu, McGill University, Canada; Philip Gabriel, Horizon Science & Technology, Canada; Mengistu Wolde, National Research Council Canada, Canada; Yi Huang, McGill University, Canada; Olivier Auriacombe, Omnisys Instruments AB, Sweden; Dirk Schuettemeyer, European Space Agency, Netherlands