GPS coordinates identify the location the satellites have triangulated for you Most of us never need to use numerical GPS coordinates to take advantage of the many location-based services that are ...

After years of efforts, countries decided where exactly the Prime Meridian and the equator would cross each other.

Since the early 1990s, advancements in commercial digital aerial photography systems have provided black and white, color and multispectral imagery for a wide range of applications, including ...