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Difference between GPS and Satellite Navigation System

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  • Last Updated : 25 Mar, 2020

Global Positioning System (GPS):
Global Positioning System provides time and location-based information to a GPS receiver, located anywhere on or near the earth surface. GPS works in all weather conditions, provided there is an unobstructed line of sight communication with 4 or more GPS satellites. GPS is managed by the US Air Force.

    Component of GPS system:

  • Space Segment
  • Control segment
  • User segments

Satellite Navigation System (SNS):
A satellite navigation system is a system that uses satellites to provide autonomous geo-spatial positioning. It allows small electronic receivers to determine their location to high precision. It is based on a wide network of artificial satellites that transmit radio signals in medium earth orbit.

GNSS consist of three main satellite technologies:

  • GPS
  • Glonass
  • Galileo

Let’s see the difference between GPS and Satellite Navigation System:

S.NO.GPSSatellite Navigation System
1GPS is a fully-functional satellite-based navigation system.Satellite navigation is a system based on a wide network of artificial satellites.
2GPS satellites transmit continuous microwave radio signals composed of two carriers, two codes and a navigation message.It describes constellation of satellites that provide navigation, positioning and timing services globally.
3GPS is maintained by the U.S. Department of Defense.It provide autonomous geospatial positioning
4GPS satellites broadcast timely signals via radio to the GPS receivers.Satellite navigation systems help us to drive across unknown roads, whether by land, sea or air, etc.
5GPS is a joint name for group of satellites that are orbiting around the earth.Satellite Navigation is a special software that makes use of GPS signals
6It processes the signal using its built-in software.The position, velocity and time estimates obtained from the satellite navigation system.

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