Leica GPS1200+ Technical Reference Manual page 94

AT504/AT504 GG
AR25
Antenna Heights
379.4 mm
a
GPS12_030
Ø380.2 mm
a
GPS12_171
a) The mechanical reference plane is the under-
side of the preamplifier housing. The
AT504/AT504 GG is built to a JPL design spec-
34.5 mm
ified by the IGS for reference stations.
a) The mechanical reference plane is the under-
32 mm
side of the preamplifier housing.
GPS1200+ 94