Leica GPS1200+ Technical Reference Manual page 1003

Determine Coordinate System - One Point Localisa-
tion
Field Option
<Rotation:> Output
For <Method: Two WGS84 Points>
a
b
c
b
GPS12_110
Description
The rotation of the transformation calculated as
o
0.00000 minus the computed convergence angle.
The field is updated as <Coord System:> and
<WGS84 Point:> are changed.
d
a
b
c
a
d
α
β
GPS1200+
WGS 1984 coordinate system
Local coordinate system
Line between two WGS 1984 points.
Line between two local points
Azimuth of two WGS 1984 points,
<Azimuth:>
Known azimuth or azimuth of two local
points, <Reqd Azimuth:>
1003