Overview of GPS is given and it is compared with IRNSS

1. Global Positioning
System
1
M. Bhagavathi Priya
AP / ECE
SNSCE

2. 1957
Frank McClure
1978 – 1993
Department of Defense (DoD)
Sputnik 1957 Transit 1960
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Growth of GPS
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3. oSatellite orbit is 20,200Km
away from the Earth
o24 satellite/31 satellite
o6 orbits
oInclination angle is 55
degree
o4 satellites in each orbit
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Constellation of GPS

4. 24 satellite/31 satellite
Satellite orbit-20,200Km away from earth Inclination angle is 55 degree
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GPS Orbit

5. 5/14
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3 - Segments

6. Position
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Latitude
Longitude
Atomic Clock

7. 7/14
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Position

8.  Standard positioning System(L1)
100 meters horizontal
156 meter vertical
 Precise Positioning System(L1 and L2)
22 meters horizontal
27.7 meter vertical
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Precision

9. 9/14
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10. 10/14
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Indian Regional Navigation Satellite
System
Comity of space-faring nation

11. 11/14
2013
7 satellites
15000 Km
Standard Positioning Service & Restricted Service
GPS & IRNSS4/21/2018
Indian Regional Navigation Satellite
System

12. 12/14
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Indian Regional Navigation Satellite
System

13. 13/14
Latitude
Longitude
Altitude
Atomic Clock
radius of 15000KM
GPS & IRNSS4/21/2018

14. 14/14
Thank You
GPS & IRNSS4/21/2018