REAPER: Reprocessing 12 Years of ERS-1 and ERS-2 Altimeters and Microwave Radiometer Data. - David J. Brockley; Steven Baker 002; Pierre Féménias; Bernat Martinez; Franz-Heinrich Massmann; Michiel Otten; Frédéric Paul; Bruno Picard; Pierre Prandi; Mònica Roca; Sergei Rudenko; Remko Scharroo; et al. (IEEE Trans. Geosci. Remote. Sens., 2017)