Should north be at the top of your paper map or GPS satnav device for the best guidance? Satnav and mapping expert Peter (World Mapman) Davis looks into the phenomenon in the third part of our satnav ...

In fact, it's completely missing on some of the most popular mobile maps, including the one on your iPhone. "Our GPS doesn't have it, it's like we are driving in outer space," driver Stephanie ...

AUSTIN, Texas—Because GPS can be spoofed or jammed in combat, one geospatial intelligence company developed a drone-navigation system based on 3D maps. Peter Wilczynski, Maxar’s chief ...

"It's hard for some people to deviate from what it says," Ekburg said. Travelers should know that map data displayed by GPS units can be outdated, with roads that no longer exist. Callagan ...

Satellite positioning systems such as GPS used in navigation apps are sometimes subject to interference. The radar app ``Flightradar24'' has created and published a map that visualizes where in ...