Table 2 Ephemeris data of three satellites.

From: Localization and ambiguity resolution algorithm for time-difference fusion of three satellites based on observation filtering

Satellite

X (km)

Y (km)

Z (km)

s1

−18.2

7446.2

689.9

s2

70.3

7450.1

643.6

s3

−36.2

7454.2

597.0