Seminar Global Positioning System Title

ACKNOWLEDGEMENT I would like to express my sincere and profound gratitudes to

Mr. R. MURALIDHARAN NAIR , Head of department , Tool & Die Engineering and to Mr. P. K. ABDUL SALAM , Lecturer in Tool & Die Engineering and staff members of the department for remaining a sources of impartation and encouragement throughout to enable me to exceed in my endeavor. I extent my sincere thanks to my classmates for their kind cooperation.Mentioned may be made of the great informations by everybody who helped me and also to the DTP centre to print out this document .

Sincerely by

SAJEER.PP

CONTENTS

No.

Title

Page.N o.

1

Introduction

01

2

History of GPS

02

3

How it works

03

4

Principles

05

5

System details

07

a) Space

segment

08

b) Controll segment

10

c) User

12

segment

6

GPS Signals

13

7

Signal structure

15

8

Sources of errors

16

9

Sources of Interference

17

10

Differential GPS

18

11

Applications of GPS

19

12

Conclusion

20

13

Reference

21