The MBES was calibrated S of the Island of Capri, on a flat bottom at 400m and a step rising to 200m. We collected data for roll, pitch and time delay on the same line run three times at different speed and directions, whereas a line run parallel to the others at a distance of a swath was used for yaw calibration (see Fig.8). The ofssets resulting fron the calibration are presented in Table 4. Several lines were acquired during the survey that will be used as further calibration control, including SVP.
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