GPS
US /ˌdʒiː.piːˈes/
UK /ˌdʒiː.piːˈes/
1.
a global navigation satellite system that provides location and time information in all weather conditions, anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites
:
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My phone has a built-in GPS.
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We used the GPS to find our way through the city.