The error in staff reading due to curvature of earth is given by
(Where, D is the distance (in km) between staff and instrument.)
1
0.0785 D2
2
0.0112 D2
3
0.0673 D2
4
0.0561 D2
The error in staff reading due to curvature of earth is given by
(Where, D is the distance (in km) between staff and instrument.)