Global Positioning System

The Global positioning System is a satelite-based navigation system made up of a network of 24 satelites placed into orbit.The GPS is made up of three parts:satelites orbiting the earth; control and monitoring stations on earth;and the GPS receivers owned by users.GPS satelites broadcast signals from space that are picked up and identified by GPS receivers.Each GPS receiver then provides three-dimensional location (latitude,longitude,and altitude)plus the time.This book has been prepared for Researchers,Scientists and for all those intersted in Global Positioning System.