Cristal will continue the ESA’s CryoSat mission.
The campaign data will be compared with measurements from the CryoSat and Sentinel-3 satellites to support continuity of climate records after deployment of the next-generation satellites.
The GNSS-R–derived sea ice freeboard results show strong alignment with established altimetry datasets, including ESA’s CryoSat mission.
The CRISTAL spacecraft has a mass of 1,700 kg and is based on an Airbus satellite design that builds on heritage from Sentinel-6 and CryoSat.
ESA’s CryoSat mission, developed by Airbus, operated flawlessly for 12 years, well beyond its design lifetime.