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The Digital Chart of the World (DCW) is a comprehensive digital map of Earth. It is the most comprehensive geographical information system (GIS) global database that is freely available as of 2006, although it has not been updated since 1992.
1991–1993: The National Imagery and Mapping Agency (NIMA) develops the Digital Chart of the World (DCW) [7] for the US Defense Mapping Agency (DMA) with themes including Political/Ocean Populated Places, Railroads, Roads, Utilities, Drainage, Hypsography, Land Cover, Ocean Features, Physiography, Aeronautical, Cultural Landmarks ...
Digital Chart of the World; F. ... World aeronautical chart; World Map 1:2,500,000; Media in category "World maps" The following 2 files are in this category, out of ...
WDB-II was released at nominal cost from 1977, but users desired higher resolution and more consistent quality. Until the release of the US Department of Defense's Digital Chart of the World in 1992, and subsequent free issue from 2006, MundoCart was the primary global GIS database for commercial users.
Digital Chart of the World, a comprehensive digital map of Earth; David Cronenberg's Wife, a London-based band; Delhi Commission for Women; WDCW, a Washington, DC, television station branded as DCW Television; Dorchester West railway station, station code; DCW Software, a German software company founded by Claus Wellenreuther, later acquired by SAP
VMAP0, a vector map of the world, an updated version of the National Imagery and Mapping Agency's (NIMA) Digital Chart of the World. See also the article VMAP0 . [Note: the original NIMA data package distributes the public domain dataset with a small amount of copyrighted information provided as overlays: these should be filtered out if you are ...
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The Digital Chart of the World (DCW), which uses the Clarke 1866 ellipsoid, reports the border on average at latitude 48° 59′ 51″ north, roughly 270 metres (886 ft) south of the modern 49th parallel. It ranges between 48° 59′ 25″ and 49° 0′ 10″ north, 810 metres (2,657 ft) and 590 metres (1,936 ft) on either side of the average.