This document provides an overview of the global positioning system (GPS). It discusses the history of GPS, describing how it was first introduced and used by the US Navy in 1960. The structure and basic concepts of the GPS system are explained, noting how GPS satellites transmit signals that allow receivers to precisely calculate their position by timing the signals. Applications of GPS are reviewed, such as in car, airplane, and ship navigation systems. Advantages and disadvantages of GPS are also summarized. The document concludes with an index of the topics covered.

1. Global Positioning System
By
-Sagar Chavan
-Vinit Desai
-Shubham ligade
-Akshit Mistry
-Ashish Nangrale

2. INDEX
Sr. No. Title
1. Introduction.
2. History
3. Structure
4. Basic concepts
5. Applications
6. Advantages & Disadvantages
7. Other systems
8. Conclusion

3. Introduction to GPS

4. History
• The GPS system was first introduced
and used by US navy in 1960

5. Structure of GPS system

6. Basic concepts of GPS
• A GPS receiver calculates its
position by precisely timing the
signals sent by GPS satellites high
above the Earth.

7. Applications
• Used in-
– Car GPS
– Airplane GPS
– Ship’s GPS

8. Car GPS system

9. Airplane GPS sytem

10. Ship’s GPS system

11. Error sources
Many a times errors are been seen on
GPS system due to some reasons.

12. Other systems
• Glonass
• Galileo
• Compass (medium earth orbit)
• Satellite navigation system

13. Advantages of GPS

14. Disadvantages of GPS

15. Commonly used GPS

16. Conclusion

17. Thank you