Uct,Udd,Est: Estimating A 3-D Datum Transformation - ashtech DG16 Reference Manual

Table 6.59. $PASHS,UTC,UDD,CAL Parameters
Parameter
f14 Sigma longitude of local datum
f15 Sigma altitude of local datum

UCT,UDD,EST: Estimating a 3-D Datum Transformation

$PASHS,UCT,UDD,EST,f1,f2
This commands indicates the start of a sequence of entering points for estimating
3D datum transformation parameters. Table 6.60 outlines the parameters.
Table 6.60. $PASHS,UCT,UDD,EST Parameters
Parameter
f1
f2
UCT,UDH,APT: Add Point for Local Geoidal Surface Transfor-
mation
$PASHS,UCT,UDH,APT,f1,f2,f3,f4,f5,f6
This commands adds a point for the estimation of local geoidal surface
transformation parameters where Table 6.61 outlines the parameters. You must
enter this command for each of the three required data points to compute the 3-D
datum transformation parameters.
Table 6.61. $PASHS,UCT,UDH,APT Parameters
Parameter
f1
f2
f3
f4
166
Description
Description
Semi-major axis of local
datum
Inverse flattening of local
datum
Description
Easting based on user selected grid system
(meters)
Northing based on user selected grid system
(meters)
Ellipsoidal height
Orthometric height
DG14 and DG16 Board & Sensor Reference Manual
Range
0
0
Range
6300000 to 6400000
290 to 310
Range
±9999999.99
±9999999.99
0 to 18000
0 to 18000