ashtech DG16 - Page 71

Basic Operation 51
Basic Operation
Dx=Dy=0 Dz= 4.5 meters m= 0.23 x 10
-6
e
x
=e
y
=0 e
z
= –2.686 x 10
-6
radians = –0.”554
Internally, the receiver implements the transformation from WGS-84 to WGS-72.
Figure 3.5 demonstrates the change in the coordinate systems.
Figure 3.5. Rotation and Translation Between Coordinate Systems
x
y
z
WGS84
0
0
4.5
1 0.23
6–
´10+()
1 2.686–
6–
´10 0
2.686
6–
´10 1 0
001
x
y
z
1WGS72
+=