SX90 sonar data in the Beaufort Sea: 2011

Louis Fortier, Maxime Geoffroy, Ole Bernt Gammelsaeter, Shani Rousseau & Didrik Vartdal
The data set is composed of raw files recorded with the Kongsberg Maritime SX90 long-range, low frequency (20-30 kHz) fisheries sonar during the CCGS Amundsen 2011 summer expedition in the Beaufort Sea. The sonar was operated during 4 dedicated surveys (109 hours) and during 258 hours of opportunistic survey, from 27 August to 3 October. The sonar transducer was lowered 2.5 feet below the hull through a gate-valve. The cylindrical 256-elements transducer allows both a...
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