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Inventor of GPS
Under Dr.Ivan Getting’s direction Aerospace engineers and scientists studied the use of satellites as the basis for a navigation system for vehicles moving rapidly in three dimensions, ultimately developing the concept essential to GPS -
First GPS
The first satellite for the Navigation System with Timing and Ranging Global Positioning System was a refurbished Timation satellite, launched in 1974 -
True GPS
The first true GPS satellites, known as Block Is, launched in 1978. tracking.html#ixzz2JNeQrsm5 -
Ronald Regan
President Ronald Reagan ordered GPS made available for civilian national and international use, and commercial GPS equipment for surveying appeared on the market in the mid-1980s -
Modern GPS
The first Block II satellite launched in 1989. Block IIs have an improved security system and radiation-hardened electronics. -
Tracking Devices Available and Popular
Available for cars,cell phones,computers, children,humans, felons, inmates, animals -
Advancement of GPS
They will be smaller devices, cheaper prices and with more accuarcy