Do You Know these Interesting Facts about GPS

Originally GPS was called  NAVSTAR and was made public in 1983 by the US in the wake of the tragic shooting down of the Korean Airlines Flight-007 by the Soviet Union.

Do You Know these Interesting Facts about GPS

GPS is at the heart of modern communication and navigation systems. From automobiles to location tracking, there are myriad applications of GPS today.
Here are some interesting facts about GPS. The first GPS satellite launched in 1989. Originally GPS was called  NAVSTAR. GPS was made public in 1983 by the US in the wake of the tragic shooting down of the Korean Airlines Flight-007 by the Soviet Union. Automobiles started using GPS in 1996. A lot of GPS signals were restricted only for military purposes, till 2000. The cold war accelerated the development of GPS for defence. GPS satellites are fitted with atomic clocks that can provide precise time to a device. One of the basic principles behind the working of GPS is the Doppler Effect. Currently, there are 24 GPS satellites placed in 6 Geo-Centric orbits.