NALT

Preferred term

sonar

Topic

A method or system, analogous to radar used under water, in which high frequency sound waves are emitted so as to be reflected back from objects, and used to detect the objects of interest. Called ASDIC by the British. (From SOund, NAvigation, and Ranging).

measuring devices

sound navigation and ranging

Field 001 in MARC Authority Format

9813981817000041

Value previous used for Field 001 in MARC Authority Format

94671

Spanish

sonar

URI

https://lod.nal.usda.gov/nalt/332136

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Created 7/9/19, last modified 11/25/19