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Contemporary measurements of the bottom during hydrographic sounding use modern multibeam systems and precise positioning one. Determination of coordinates of acoustic wave's reflection points on the bottom is based on transformation coordination sets: connected with positioning system and echosounder's transduces(s) based on CoG - Center of Gravity and spatial orientation determined by MRU - Motion Reference Unit.Despite using mentioned devices (systems), in the geospatial data cloud there are incorrect points, w...