Choose Index below for a list of all words and phrases defined in this glossary.
sonar - [remote sensing] Acronym for sound navigation and ranging. A system or device that measures the time lapse between emitting a sound and receiving a returned echo to determine the location, depth and SHAPE / Shape of objects under water. Certain types of sonar consist only of a listening device that picks up sound emitted by underwater objects, such as submarines.
[Category=Geospatial ]
Source: esri, 24 August 2012 08:09:44, http://support.esri.com/en/knowledgebase/GISDictionary/term/abbreviation
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