The Sentinel-6B satellite, part of the Copernicus/Jason-CS mission, is dedicated to high-precision ocean altimetry to monitor changes in sea level, wave state, and atmospheric parameters. It was launched last Monday, November 17, 2025, aboard a SpaceX Falcon 9 rocket from Vandenberg Space Force Base in California. This mission represents a joint investment from an international partnership that includes NASA – National Aeronautics and Space Administration, the European Space Agency – ESA, EUMETSAT, and NOAA: National Oceanic & Atmospheric Administration, with the support of the French space agency Centre National d’Études Spatiales. Its primary suite of instruments comprises: a) The Poseidon-4…