What GPS is
As it often happens with high-tech projects, initiators of development and implementation of GPS (Global Positioning System) were the military. Project of satellite network for determining the coordinates in real time-mode and in any spot on the Earth was named NAVSTAR (Navigation signal timing and ranging), whereas the abbreviation GPS appeared later when the system was used not only for the purposes of defence, but also for civilian purposes (Howell). Today, GPS “provides accurate, continuous, world-wide, three-dimensional position and velocity information to users with the appropriate receiving equipment” (Kaplan, 3).
Short history of GPS
First steps of deploying navigation network were undertaken in ...