Appendix C Corrections And Formulas - Leica LS10 User Manual

Appendix C
Formulas
LS10/LS15, Corrections and Formulas
Corrections and Formulas
Earth Curvature Correction
Line-of-Sight Error
Mean S Outlier Test
Maximum residual observation is discarded.
Distance Balances
Total Distance
Station Differences
x: Measured Distance
R: 6'378'000 m (earth radius)
: Difference between new and current line-of-
sight error.
A , B , A , B : Staff heights.
1 1 2 2
d , d , d , d : Distances of the respective staff
1 2 3 4
heights.
D : backsight distance
B
D : foresight distance
F
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