satellite navigation system

noun 0.809

global positioning system

noun 0.627

space satellite

noun 0.592

nav

noun 0.581

satphone

noun 0.574

navigation

noun 0.566

navigator

noun 0.558

space navigation

noun 0.555

satellite television

noun 0.550

sat

noun 0.546

tom-tom

noun 0.527

avigation

noun 0.521

fixed satellite

noun 0.512

speed camera

noun 0.509

sonar

noun 0.507

celestial navigation

noun 0.505

sputnik

noun 0.500