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Gps technology 2020
Gps technology 2020
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gps

  1. 1. Presented by Deepak keshri
  2. 2. GPS project was developed in 1973 for American army. GPS was created and realized by department of defence.  GPS is a space based navigation system that provides location and time information in all weather anywhere on the earth.  It was originally run with 24 satellite. The first satellite launch in 1989 and last in 1994.
  3. 3.  There are three segments of gps  Space segment  Control segment  User segment
  4. 4.  The satellite constellation consist of 24 satellite constellation.  These satellites are positioned in six earth centered orbits with four satellites in each plane.  The orbital period of a gps is 11 hour and 58 min. They orbit at height of 20,180 km above earths surface.
  5. 5.  The CS consists of 3 entities:  Master Control System  Monitor Stations  Ground Antennas
  6. 6.  A master control station tracks all satellite and ensure they are operating properly and compute their position in space.  Master control station is situated at Falcon air force base Colorado , USA
  7. 7.  There are six monitor stations  Each of the monitor stations checks the exact altitude, position, speed, and overall health of the orbiting satellites.
  8. 8.  It includes millions of civil, commercial , scientific users.  It includes american defence forces as well as other forces.
  9. 9.  For determining the position of a object , GPS uses the Trilateration method.  Trilateration is the process of determining locations of points by measurement of distance using circles and spheres.  Trilateration have practical applications in surveying and navigation.
  10. 10. Y A X Z
  11. 11. X
  12. 12. X Z
  13. 13. Y X Z
  14. 14. Y A X Z
  15. 15.  Gps aircraft tracking  Vehicle,person,pet tracking system  Map making  Disaster relief/emergency services  Military purpose  Sag measurement in overhead line
  16. 16.  A gps device is placed at the midpoint of the conductor  Due to the effect of ice and wind, clearance from the ground is reduced  This reduction can be calculated with the help of gps
  17. 17. Thank you

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