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Geographic information system

263 bytes added, 10:29, 6 January 2018
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'''Geographic information system''' ('''GIS''') is a fancy word for digital maps.
=VTLUUG occasionally has [[OpenStreetMap]] events to encourage people to use OSM rather than Google Maps, or other non-free maps. See Also=[[OpenStreetMapData sources#Geographic Information Sources|List of GIS data sources]]for more
=Links=
* [[w:Geographic information system|Wikipedia's Geographic information system article]]
* [http://www.oreillynet.com/wireless/2000/12/29/two_gps.html The difficulties of a poor man's differential GPS]
* [http://code.google.com/p/googletransitdatafeed/wiki/PublicFeeds Public Google Transit Feeds]
 
[[Category:Reference]]
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