What is the number of fore bearing and back bearing for an open traverse of n number of stations?
Station | Fore bearing of Lineback | Back bearing of Line |
A | AB | - |
B | BC | BA |
C | CD | CB |
D | DE | DC |
E | EF | ED |
F | - | FE |
6 Station | 5 Fore bearing | 5 Back Bearing |