Leica TS03 User Manual page 198

= Y - A · X · Y
TS_112
= X + B · Y
TS_113
Y
X
z
A
B
k
R
Earth curvature (1/R) and mean refraction coefficient (k) are automatically
taken into account when calculating the horizontal distance and height differ-
ence. The calculated horizontal distance relates to the station height and not
to the reflector height.
198
2
Horizontal distance [m]
Height difference [m]
* |sinz|
* cosz
Vertical circle reading
(1 - k / 2) / R = 1.47 * 10
(1 - k) / (2 * R) = 6.83 * 10
0.13 (mean refraction coefficient)
6
6.378 * 10 m (radius of the earth)
-7 -1
[m ]
-8 -1
[m ]
Technical Data