In leveling, the correction due to refraction may be taken as.
Where Cc = Correction due to curvature
1
\(\frac{1}{2}{C_c}\)
2
\(\frac{1}{3}{C_C}\)
3
\(\frac{1}{5}{C_C}\)
4
\(\frac{1}{7}{C_c}\)
In leveling, the correction due to refraction may be taken as.
Where Cc = Correction due to curvature