Spread Spectrum Modulation - Digital Communication: Principles and System Modelling - page 158

Table 7.4. Orbital parameters of the GPS constellation

Right
ascension
of
ascending
node

Longitude
of
ascending
node

Satellite
identifi-
cation

Semi-
major
axis

Inclination,
θ

Mean
anomaly

Phase
difference No.

1. A3 26, 561.75 55.0 272.847 11.676 103.55 179.63

2. A4 26, 561.75 55.0 272.847 41.806 31.13 14.69

3. A2 26, 561.75 55.0 272.847 161.786 119.98 74.68

4. A1 26, 561.75 55.0 272.847 268.126 106.34 127.85

5. B1 26, 561.75 55.0 272.847 80.956 130.98 94.27

6. B2 26, 561.75 55.0 272.847 173.336 92.38 140.46

7. B4 26, 561.75 55.0 272.847 204.376 31.04 155.98

8. B3 26, 561.75 55.0 272.847 309.976 105.06 28.78

9. C1 26, 561.75 55.0 272.847 111.876 100.08 169.73

10. C4 26, 561.75 55.0 272.847 241.556 129.68 54.57

11. C3 26, 561.75 55.0 272.847 339.666 98.11 103.62

12. C2 26, 561.75 55.0 272.847 11.796 32.13 119.69

13. D1 26, 561.75 55.0 272.847 135.226 100.07 61.40

14. D4 26, 561.75 55.0 272.847 167.356 32.13 77.47

15. D2 26, 561.75 55.0 272.847 265.446 98.09 127.51

16. D3 26, 561.75 55.0 272.847 35.156 129.71 11.37

17. E1 26, 561.75 55.0 272.847 197.046 130.98 152.31

18. E2 26, 561.75 55.0 272.847 302.596 105.55 25.09

19. E4 26, 561.75 55.0 272.847 333.686 31.09 40.63

20. E3 26, 561.75 55.0 272.847 66.066 92.38 6.82

21. F1 26, 561.75 55.0 272.847 238.886 103.54 53.23

22. F2 26, 561.75 55.0 272.847 345.226 106.34 106.40

23. F3 26, 561.75 55.0 272.847 105.206 119.98 166.39

24. F4 26, 561.75 55.0 272.847 135.346 30.00 1.46

tracker system. Therefore, each satellite knows the position of all GPS satellites at
any instant.
The user segment consists of GPS receiver. The receiver consists of a pre-
amplifier, antenna, down converter, A/D converter, IF amplifier, navigation process-
ing unit.

Fig. 7.16 GPS constellation
in motion with the rotation of
the earth