Nad 83 map projection pdf

This document provides map projection and datum guidance for. As a map user, this is something you need to know, especially if you use gps receivers, because it will modify the coordinates you will use to position. The file is a pdf and you must have acrobat reader to. X whiting monitor east chicago monitor hammond monitor. To download the data for this layer as a layer package for use in arcgis. Because the earth is curved and in gis we deal with flat map projections, we need to accommodate both the curved and flat views of the world. How to change a map from nad27 to wgs84 nad83 with. Several state plane coordinate system zones are not shown in this dataset, including puerto rico, the u. Although the earth is best represented by a spheroid, the earth is sometimes treated as a sphere to make mathematical calculations easier. Natural resources canada nrcan uses the north american datum 1983 nad83 as its geodetic reference system. Datums, coordinate systems, coordinate reference systems and datum transformations dean c. X whiting monitor east chicago monitor hammond monitor gary monitor ogden dunes monitor 1. Although both are actually in the same projection, the difference is only datum differ only in the utm grid many enter into a terrible confusion believing that the map only requires to be moved a vector, which in the case of.