The GPS
WHO CREATED IT ?The GPS wasinvented by the U.S. army, more specifically, by the physicistD.Fanelli of the departement of defense.
WHEN IT WAS CREATED ?This technologicdevicewasdevelopedduring the Cold War. So, the first utilisation of the GPS wasmilitary.First satellite 197319471991Cold War
The GPS became an indispensable thing toexplore an unknownregion.
Nowadays, wecanseethishigh-tech accessory on the dashboard of cars,on planes and on boats.
The Global Positioning System isveryuseful for everybodybecause the system use the power of a computer to remember the reference points (waypoints).
For someusers, the GPS has replaced the road map or the roadsignsbecauseitmakesthe life easierforpeople.
AN EXAMPLEWhenyouwant to go somewhere and youdon’t know the waythatyou have to take, youjust have to put the adresson yourGPS and itwill show youthe good way.
In this situation, if youdon’t have a GPS, you have to check a map or pay attention to the roadsigns, soitwilltakeyou more time to get on your destination.Toomuchtime
Internethttp://www.astrosurf.com/luxorion/gps.htmhttp://reperageterrestre.free.fr/historique.html

Gps 101 anglais