The Copernicus Precise Orbit Determination (CPOD) Service delivers, as part of the Ground Segment of the Copernicus Sentinel-1, -2, -3, and -6 missions, orbital products and auxiliary data files for their use in the corresponding Payload Data Ground Segment (PDGS) processing chains at ESA and Eumetsat and to external users through the ESA Copernicus Open Access Hub. In this contribution focus is given to the altimeter satellites Sentinel-3A, -3B, and Sentinel-6 Michael Freilich for which...