Choose Index below for a list of all words and phrases defined in this glossary.
Sextant - [navigation] A handheld navigational instrument that measures, from its point of observation, the angle between a celestial body and the horizon or between two objects. The angle is measured on a graduated arc that covers one sixth of a circle (60 degrees).
[Category=Geospatial ]
Source: esri, dt, http://support.esri.com/en/knowledgebase/GISDictionary/term/abbreviation
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