GIS vs GPS | difference between GIS and GPS
This page compares GIS vs GPS and mentions difference between GIS and GPS. GIS stands for Geographical Information System and GPS stands for Global Positioning System.
GIS | Geographical Information System
• The software program which enables users to store and manipulate large
amounts of data from GPS and other sources.
• It is software systems with capability for input, storage, manipulation/analysis. It displays geographic (spatial) information in various output formats such as maps, graphs or charts.
• It is a system which deals with all types of geographically referenced data.
• GIS software runs on powerful servers to mobile software.
• There are three common representations of spatial data used in GIS viz. vector, raster and triangulated.
Refer GIS basics and its benefits >> for more information.
GPS | Global Positioning System
• As shown in the figure, GPS system consists of total 28 satellites orbiting around the earth divided
among six different orbits. The satellites are positioned at the height of about 20,180 km.
As the orbits, satellites are inclined to about 55 degree with equator.
This makes four satellites visible all the time from any location on the earth.
• A satellite system which projects information to GPS receivers on the ground. This enables users to determine latitude and longitude coordinates.
• It is a system of earth-orbiting satellites which can provide precise information in 100 meters to sub-cms.
Refer GPS Basics Tutorial >> for more information.
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