GPS function when developed first is to determine the position and navigation but in line with the development of Geographic Information Systems (GIS), the GPS function increases with appearance information (data cupture), to present a picture and calculate the area of a form of specific features, and is a system information that can diakseske various GIS software.
The development of GPS is of course demands a certain uniformity for positioning and spacing system used in the geographic reference is used, in this case is WGS 84 (World Geodetic Survey 84) that is used now.
