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      <marc21:subfield code="a">Innomar SES-2000 - Sediment echosounder data - Wreckinvestigation east of Schleimünde/Baltic Sea</marc21:subfield>
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coordinate files are ascii txt, format: 772160001,13.11.2025 094406.60,573372.490000,6063779.320000 = shotid,data,time,UTM coords 32N&#xD;
motion data files are ascii txt, format: 772160001,0.00,-3.43,-2.64,0.00,0.005,0.00,0.00 = shotID, NN, Roll angle[°], elevation of sensor, NN, hieve[m],NN</marc21:subfield>
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      <marc21:subfield code="a">The dataset was acquired at 10.13728°E, 54.71498°N East of Schleimünde, German waters, Baltic sea. It comprises Innomar SES-2000 subbottom profiler data. The data was recorded using electronic beamforming induced by a sawtooth function adding a sweep of -8°to8° to the motion data roll angle. A Stonex S9i RTK GNSS receiver was used, providing a RTK position every 0.1 s. The echosounder data covers a region around a 1978 recorded unknown shipwreck.</marc21:subfield>
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