82 DG14 and DG16 Board & Sensor Reference Manual
Figure 4.1 illustrates the change in the coordinate systems.
After transforming the datum, the receiver computes geodetic coordinates in the
defined system. All coordinates output by the receiver are in this new system.
Do not forget to issue the $PASHS,DTM,UDD command after defining the transformation
parameters with the $PASHS,UDD command. Otherwise, the newly entered parameters are not
used.
Use this transformation to generate coordinates in an <x,y> rectangular system,
based on the user’s location and mapping requirements or local standard. The user
may select any projection along with any base datum for output.
Figure 4.1. Rotation and Translation Between Coordinate Systems
9278G4
X
WGS72
0
WGS72
0
WGS84
Z
WGS84
Z
WGS72
Y
GS72
Y
GS84
X
WGS84
Z
-6
= -2.686
*
10 rads =-0".554
Z = 4.5m
Z
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