We present here computational procedures and steps for the use of Excel in the Thus with a laptop installed with Excel, GPSĬoordinates can easily be transfonned into the local coordinates in the field. Through the use of the Microsoft Excel spreadsheet. One way in which such quick coordinate transformations could be accomplished is Upon to perform quick coordinate transformations on the spot. With the necessary coordinate transformation capability, the surveyor may be called However in the situation where the GPS receiver may not be equipped Geodetic GPS receivers today come complete with the requisite programs for such Usually for the transformation between GPS coordinates and localĬoordinates, tailor-made computer programs would be used, indeed virtually all In particular, in cadastralĪnd engineering surveys, such transformations are normally the norm rather than theĮxception. transformationįrom grid coordinates to geographical coordinates.Ĭoordinates obtained from GPS observations often have to be transformed into localĬoordinate systems for practical applications in such systems. Thereafter, the reverse computation is also performed to act as a check, i.e. The local geographical coordinates are then transformed to plane VIM gridĬoordinates. GPS observations are transfornted to the local reference system by use of a seven-parameter Reference system by use of Excel spreadsheet is outlined The geographical coordinates obtained from LRoads Department, Ministry of Roads and Public Works, Nairobi, KenyaĢDepartment of Surveying, University of Nairobi, Nairobi, KenyaĪ procedure for obtaining plane VIM grid coordinates from GPS coordinates based on WGS84 PLANE UTM COORDINATES USING THE EXCEL SPREADSHEET TRANSFORMA TION BETWEEN GPS COORDINATES AND LOCAL
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