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Sonar Data Computer

5845144277927 144277927 GESMPU-4B

A computer which utilizes a power driven mechanism and/or electronic or electrical circuits to calculate two or more factors of sonar data, such as range, bearing, depth and/or sound velocity. Sonar is defined as the transmission and/or reception of underwater sound waves to determine the presence, location, nature of objects or noise on or in the water and/or for permitting an exchange of intelligence through water for communication purposes. Do not use for computers which derive single functions. See also COMPUTER, DEPTH CHARGE RELEASE TIME. View more Sonar Data Computer