reover, it 
ound coordi- 
lons and a 
Leld measure- 
WS. 
Largets coor- 
ite station 
ntal direc- 
e station # 1 
ons (Base 
(V) at the 
given in 
imensional 
ersection of 
ntal line 
perpendicular 
ed by the 
wn in 
from the 
surements (B 
ies Oy, Oa, 
ÈS 
(1) 
(2) 
(3) 
  
Station #1 
  
iXi,Yi,7i) 
  
  
  
  
  
  
  
  
  
  
  
Station # 2 
[> X 
— Xi Yi — PD 
B 
| v 
Figure 1 : The relationship between the target coordinates Xi, Y| 
and Zi and the theodolite measurements (0; Yi; Oz and Yj) 
4 X 
X X X 
XX X 
X 
X X X 
H X 
X 
X 
X 
X > B 
E 
x 
Fla, 
fer 2L > 
Figure 2 : Geometric lay-out of the two theodolite stations 
relative to the object points (X)