U.S. Global Positioning System

URI: https://gptkb.org/entity/U.S._Global_Positioning_System

GPTKB entity

Statements (50)

Predicate	Object
gptkbp:instanceOf	gptkb:navigation
gptkbp:accuracy	within a few meters (civilian) higher for military
gptkbp:alsoKnownAs	gptkb:GPS
gptkbp:civilianSignal	gptkb:Standard_Positioning_Service_(SPS)
gptkbp:civilianVersion	yes
gptkbp:constellation	gptkb:Medium_Earth_Orbit
gptkbp:countryOfOrigin	gptkb:United_States
gptkbp:developedBy	gptkb:United_States_Department_of_Defense
gptkbp:encryption	military signals encrypted
gptkbp:freeFrom	yes
gptkbp:frequency	gptkb:L1 gptkb:L2 gptkb:L5
gptkbp:fullOperationalCapability	1995
gptkbp:governingBody	National Executive Committee for Space-Based Positioning, Navigation, and Timing
https://www.w3.org/2000/01/rdf-schema#label	U.S. Global Positioning System
gptkbp:launchDate	1978
gptkbp:militaryBranch	yes
gptkbp:militarySignal	gptkb:Precise_Positioning_Service_(PPS)
gptkbp:modernization	gptkb:GPS_III_satellites
gptkbp:numberOfSatellites	at least 24
gptkbp:operatedBy	gptkb:United_States_Space_Force
gptkbp:orbitType	~12 hours ~20,200 km
gptkbp:purpose	gptkb:navigation positioning timing
gptkbp:relatedTo	gptkb:Galileo gptkb:BeiDou gptkb:GLONASS
gptkbp:type	gptkb:radio_station
gptkbp:usedIn	gptkb:military_operation gptkb:transportation agriculture aviation scientific research emergency response mapping maritime navigation surveying mobile devices land navigation timing synchronization financial transactions timing telecommunications timing
gptkbp:website	https://www.gps.gov/
gptkbp:分布地区	yes
gptkbp:bfsParent	gptkb:National_Executive_Committee_for_Space-Based_Positioning,_Navigation_and_Timing
gptkbp:bfsLayer	7