Construction surveyors must account for many factors — seen and unseen — when preparing a site for building. From visible topography to invisible property lines, countless aspects require accurate ...

Upgrades to satellites in orbit and systems down below will bring centimeter-level accuracy to the masses. GPS has already transformed many industries and enabled whole new ones, like ride-sharing. A ...

Precise Point Positioning (PPP) has long held promise as a standalone, high-accuracy positioning technique, but its slow convergence and complexity in ambiguity resolution have limited widespread use.