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GPS Overview

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What is GPS? Radio-based navigation system developed by DoD

Initial operation in 199 !"lly operational in 199#

System is $alled %&'S(&R NAVigation with Satellite Timing And Ranging Re)erred to as GPS

Series o) *+ satellites, orbital planes, + satellite vehi$les .S'/ on ea$hplane

Wor0s anywhere in the world, *+ ho"rs a day, in all weather $onditions andprovides 2o$ation or positional )i3 'elo$ity Dire$tion o) travel &$$"rate time

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Global %avigation Satellite Systems.G%SS/

%&'S(&R 4S&

G2O%&SS R"ssians

Galileo 5"ropeans

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Signal Str"$t"re5a$h satellite transmits its own

"ni6"e $ode

(wo )re6"en$ies "sed 21 7arrier 1#8#+* :;< 2* 7arrier 1**8= :;