|
gptkbp:instanceOf
|
gptkb:navigation
gptkb:technology
|
|
gptkbp:accuracy
|
within a few meters (civilian)
centimeter-level (military/augmented)
|
|
gptkbp:alternativeTo
|
gptkb:Galileo
gptkb:BeiDou
gptkb:GLONASS
|
|
gptkbp:basedOn
|
satellite signals
|
|
gptkbp:becameFullyOperational
|
1995
|
|
gptkbp:deployment
|
1978
|
|
gptkbp:developedBy
|
gptkb:United_States_Department_of_Defense
|
|
gptkbp:enables
|
gptkb:maritime_navigation
gptkb:scientific_research
earthquake monitoring
fleet management
emergency response
precision agriculture
real-time location sharing
turn-by-turn navigation
aviation navigation
cellular network synchronization
financial transaction timestamping
timing synchronization for networks
|
|
gptkbp:freeFrom
|
yes
|
|
gptkbp:governedBy
|
gptkb:U.S._government_policy
|
|
gptkbp:numberOfSatellites
|
at least 24
|
|
gptkbp:operatedBy
|
gptkb:United_States_Space_Force
|
|
gptkbp:requires
|
clear line of sight to satellites
|
|
gptkbp:type
|
gptkb:L1
gptkb:L2
gptkb:L5
|
|
gptkbp:usedFor
|
gptkb:navigation
mapping
timing
location tracking
|
|
gptkbp:usedIn
|
gptkb:aircraft
agriculture
cars
ships
geocaching
military applications
smartphones
surveying
|
|
gptkbp:vulnerableTo
|
spoofing
jamming
|
|
gptkbp:分布地区
|
yes
|
|
gptkbp:bfsParent
|
gptkb:general_relativity
|
|
gptkbp:bfsLayer
|
4
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
GPS technology
|