When you’ve gone way off the grid, these units can help you find your way back. Whether you're exploring uncharted trails, rough, rocky terrain, or other remote areas, a reliable GPS unit can ...

Depending on use, most GPS units have an easy-to-read screen that displays a maps of your location. Some devices have touch screens which can be an extra expense. Some only have a small screen ...

GPS alone has been successfully used for topographic mapping of smallsize areas. Using either conventional GPS kinematic surveying or GPS RTK, a user takes positions of the points on the ground where ...

A recent survey conducted by research firm NuStats and funded by GPS-maker NAVTEQ found that drivers equipped with in-car navigation units use 12 ... provider of digital map, traffic and location ...