The bearing of a line measured in the forwrard direction (i.e., along the progress of survey) is known as fore bearing.
In Figure 19.4, fore bearing of the line AB is given by 
NOB.
Fore bearing = Back bearing ± 180°
| Fore Bearing |
The bearing of a line measured in the forwrard direction (i.e., along the progress of survey) is known as fore bearing. In Figure 19.4, fore bearing of the line AB is given by
|