2 Woe 15 15 6 17 
J) 
A X 
No 
— 
+ 
  
  
  
  
  
| 
| 
| 
| 
1/36 (min) 
| 
| 
| 
| 
| 
[ 
| 
| 
| 
| 
| 
| 
| 
| + 
8 ; 
INS AN 
| NE 
| 
| 
| 
| 
| 
| 
& 
=| 
56 (min) 
  
  
N 
2 17 16 1,5 
A a I | 
+ EI tres 
  
  
  
  
' 
À | 
| 
' 
Diagram 1. Standard errors of the x-coordinates of intersected points of the numerical 
radial method. Standard error of unit weight of the image coordinates measurements 
So Lm