What is global positioning system ? …

GPS is method to locate the position of any place,buildings,etc.on earth by using em waves and satellite system. The satellite system uses a set of 24satellitewhich are continuously orbiting and mapping the surface of the earth.the orbit of these satellite are so arranged that at least 4 satellite are looking a place on surface of earth . GPS device is fitted in system .when the user of system wants to locate the exact position of place on the earth,he feed it to system. This system transmit and receive em wave and get linked up with satellites As a result longitudinal coordinates of desired place is determine by determining its distance with at least 3 satellites. The information is processed further to identified the unique location of desired place

A GPS receiver shows where it is. It may also show how fast it is moving, which direction it is going, how high it is, and maybe how fast it is going up or down. Many GPS receivers have information about places. GPSs for automobiles have travel data like road maps, hotels, restaurants, and service stations. GPSs for boats contain nautical charts of harbors, marinas, shallow water, rocks, and waterways. Other GPS receivers are made for air navigation, hiking and backpacking, bicycling, or many other activities. The majority are in smartphones.

A Global Positioning System, also known as GPS, is a system designed to help navigate on the Earth, in the air, and on water.