This easy-to-use GPS unit can acquire sub-meter horizontal precision with the ability to get sub-centimeter precision with post-processing software.

Ever wonder how the Global Positioning System (GPS) works? This extraordinarily complex system is actually based on some simple concepts. Find out what they are in this Shockwave game.

A navigation system used inside venues such as airports, museums, shopping malls and hospitals. An indoor positioning system (IPS) is the indoor counterpart to the global positioning system (see GPS).

The Global Positioning ... Realistically, positioning systems will just be yet another front on which electronic warfare rages on the battlefield. Incidents like Iran’s use of GPS spoofing ...

Beer, Michael, and Sunru Yong. "TerraCog Global Positioning Systems: Conflict and Communication on Project Aerial (Brief Case)." Harvard Business School Teaching Note 082-185, April 2008.

Alternatively you could use a GAN to do style transfer and make a dimensionally-accurate 16th-century map, but that’s a little less fun… Would be interesting to see it with the Piri Reis map ...

"We’re giving the drones a 3D map, allowing them to use that 3D ... regions where Global Positioning System (GPS) signals have been cut or remote areas where they do not exist.