No audio available for this content. A GPS-lidar fusion technique implements a novel method for efficiently modeling lidar-based position error covariance based on ...

ARE WE THERE? In a multi-GNSS world, that is. We’ve asked that question from time to time in this column over the years. So, are we there yet? That depends. One definition of “multi” is more than one.

In a serious effort to outdo the original $100 Backtrack GPS device, Bushnell has now launched the Point 3 and Point 5 versions whose minuscule proportions make them ideal for your keychain. Both ...

This article originally appeared in the March 11, 2019 issue of SpaceNews magazine. The U.S. Global Positioning System — the constellation of military satellites that provides positioning, navigation ...