|
gptkbp:instanceOf
|
Global Navigation Satellite System
|
|
gptkbp:accuracy
|
centimeter-level (with augmentation)
within a few meters (civilian)
|
|
gptkbp:alternativeSystems
|
gptkb:Galileo
gptkb:BeiDou
gptkb:GLONASS
|
|
gptkbp:augmentationSystems
|
gptkb:EGNOS
gptkb:MSAS
gptkb:WAAS
|
|
gptkbp:civilianSignal
|
unencrypted
|
|
gptkbp:constellation
|
gptkb:Medium_Earth_Orbit
|
|
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:fullyOperational
|
1995
|
|
gptkbp:governedBy
|
gptkb:United_States_government
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
GPS
|
|
gptkbp:launchDate
|
1978
|
|
gptkbp:numberOfSatellites
|
at least 24
|
|
gptkbp:operatedBy
|
gptkb:United_States_Space_Force
|
|
gptkbp:orbitType
|
about 12 hours
about 20,200 km
|
|
gptkbp:providesService
|
gptkb:navigation
positioning
timing
|
|
gptkbp:standsFor
|
gptkb:Global_Positioning_System
|
|
gptkbp:type
|
gptkb:radio_waves
|
|
gptkbp:usedFor
|
civilian applications
military applications
|
|
gptkbp:usedIn
|
gptkb:aircraft
gptkb:disaster_response
gptkb:military_operation
autonomous vehicles
aviation
outdoor recreation
railways
scientific research
telecommunications
cars
mapping
ships
emergency services
drones
fitness trackers
geocaching
maritime navigation
precision agriculture
smartphones
surveying
timing for financial networks
|
|
gptkbp:uses
|
satellites
ground stations
receivers
|
|
gptkbp:bfsParent
|
gptkb:DARPA
gptkb:Kalman_filter
gptkb:radar
gptkb:Ivan_Getting
|
|
gptkbp:bfsLayer
|
4
|