Global Positioning System

URI: https://gptkb.org/entity/Global_Positioning_System

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:navigation
gptkbp:abbreviation	gptkb:GPS
gptkbp:access	free and open
gptkbp:accuracy	within a few meters (civilian) centimeter-level (military, encrypted)
gptkbp:alternativeTo	gptkb:Galileo gptkb:BeiDou gptkb:GLONASS
gptkbp:civilianOversight	gptkb:U.S._Department_of_Transportation
gptkbp:consistsOf	gptkb:satellite
gptkbp:countryOfOrigin	gptkb:United_States
gptkbp:encryption	military signals encrypted
gptkbp:frequency	gptkb:L1 gptkb:L2 gptkb:L5
gptkbp:fullOperationalCapability	1995
gptkbp:governedBy	gptkb:U.S._Department_of_Defense
https://www.w3.org/2000/01/rdf-schema#label	Global Positioning System
gptkbp:launchDate	1978
gptkbp:manufacturer	gptkb:Lockheed_Martin gptkb:Boeing gptkb:Rockwell_Collins
gptkbp:numberOfSatellites	at least 24
gptkbp:operatedBy	gptkb:United_States_Space_Force
gptkbp:orbitType	gptkb:medium_Earth_orbit about 12 hours about 20,200 km
gptkbp:purpose	gptkb:navigation positioning timing
gptkbp:section	control segment space segment user segment
gptkbp:technology	gptkb:Differential_GPS gptkb:SBAS gptkb:WAAS gptkb:RTK
gptkbp:usedFor	autonomous vehicles aviation telecommunications emergency response mapping geocaching maritime navigation surveying mobile devices timing synchronization civilian navigation military navigation
gptkbp:website	https://www.gps.gov/
gptkbp:bfsParent	gptkb:satellite
gptkbp:bfsLayer	4