Tag Archives: SDFE

A survey vehicle equipped for motorized trig leveling.

Motorized Trig Leveling

In Denmark, a new approach is boosting productivity in maintaining precise vertical data. EDITOR’S NOTE: Conventional surveying wisdom holds that differential and spirit leveling—and, specifically, digital—are superior to trigonometric leveling. But, with today’s improved instruments, software, and methods (developed over several decades of testing by many parties), results have shown that trig leveling can, if...