Tag Archives: Chuck Ghilani

Equations 1, 2, 3 & 4: combined factor grid distance, elevation factor

GNSS & Educational Equations: A Grid-to-Ground Project

When planning GNSS control surveys on highway projects, it is important to understand the limitations of GNSS. Most highway projects are long, and linear distances that are wide open horizontally and vertically and are ideal for GNSS surveying. However, in rural and city areas, tree canopies and high-rise buildings will obstruct the GNSS signals, so...