Leica GPS1200+ Technical Reference Manual page 101

Tripod setup
Vertical height reading
Antenna Heights
a
GPS12_032
The vertical height reading is the height difference between the ground mark and the bottom
end of the height hook. It is determined using the height hook.
c
b
d
e
a) Mechanical reference plane
b) Vertical phase centre offset for L1
c) Vertical phase centre offset for L2
d) Vertical offset
e) Vertical height reading
An AX1201/AX1203+ GNSS antenna is
shown.
GPS1200+ 101