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 ...

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 ...

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