Em 
« Y 
  
(b) Conventional Method B/H-1.0 
=0.5 
(a) Conventional Method B/H 
493 m 
H-24.79 m max 
117 m 
+6.64m max 
Hz 
  
(d) Simultaneous Check Method 
(c) Independent Check Method 
:5.45 m max-38 m 
H= 
=88 m 
H= 
stribution 
+4 .81m max 
Di 
rror 
E 
4 
+ 
5 
Fig. 
5 meters 
less than 
error 
rs 
(Back ground) 
2 
Blue 
5-10 mete 
E 
error 
error 
error 
Purple 
Yellow 
Red 
S 
10-50 meter 
  
than 50 meters 
arger 
c 
]