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	Eng ID	Term	Definition
	2001	General Bathymetric Chart of the Oceans (GEBCO)	A global series of small scale bathymetric charts. Edited through international cooperation by IHO and IOC.
	2002	general chart	See CHART.
	2003	general notices	All information and instructions that hydrographic offices may wish to bring to the attention of mariners but the nature of which is such ... more All information and instructions that hydrographic offices may wish to bring to the attention of mariners but the nature of which is such that they may not properly refer to any specific nautical document.
	2004	generalisation	The omission of less important detail when compiling a chart. Its purpose is to avoid overloading charts where space is limited.
	2005	geocentric coordinates	See COORDINATES.
	2006	geocentric latitude	See LATITUDE.
	2007	geocentric parallax	See PARALLAX: DIURNAL.
	2008	geodesic	See GEODESIC LINE.
	2009	geodesic line	The shortest line on a mathematically derived surface, between two points on that surface. A geodesic line on a REFERENCE SPHEROID is called... more The shortest line on a mathematically derived surface, between two points on that surface. A geodesic line on a REFERENCE SPHEROID is called a GEODETIC LINE. Also termed a geodesic.
	2010	geodesy	The science which treats of the determination of the size and figure of the EARTH (GEOID) by such direct measurements as TRIANGULATION, LE... more The science which treats of the determination of the size and figure of the EARTH (GEOID) by such direct measurements as TRIANGULATION, LEVELLING and gravimetric OBSERVATIONS.
	2011	geodesy: satellite	The discipline which employs OBSERVATIONS of an earth satellite to extract geodetic information.
	2012	geodetic azimuth	See AZIMUTH.
	2013	geodetic connection	See CONNECTION.
	2014	geodetic control	See CONTROL.
	2015	geodetic coordinates	See COORDINATES.
	2016	geodetic data	Information concerning points established by a geodetic survey, such as descriptions for recovery, coordinate values, height above sea lev... more Information concerning points established by a geodetic survey, such as descriptions for recovery, coordinate values, height above sea level, and orientation.
	2017	geodetic datum	See DATUM.
	2018	geodetic equator	See EQUATOR.
	2019	geodetic latitude	See LATITUDE.
	2020	geodetic levelling	See LEVELLING.
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