Surveying
Step 3: Measure Antenna Height (for Base
and Rover)
1.
Measure the antenna height above the control point
or marker, either the slant height or the vertical
height. You may either measure the vertical height
to the Antenna Reference Point (ARP) located at
the bottom of the GR-5, or measure the slant height
38
Topcon
GR-5 Recevier
Quick Disconnect (Optional)
5/8 inch Screw
Lock
GR-5 Quick Start Guide