|
gptkbp:instance_of
|
gptkb:Earth_observation
|
|
gptkbp:application
|
gptkb:civil_aviation
gptkb:emergency_services
Vehicle Tracking
Maritime Navigation
Land Surveying
Geocaching
|
|
gptkbp:coverage
|
gptkb:Yes
|
|
gptkbp:debut
|
gptkb:1978
|
|
gptkbp:developed_by
|
gptkb:United_States_Department_of_Defense
|
|
gptkbp:frequency
|
L1, L2, L5
|
|
gptkbp:has_accuracy_improvement
|
gptkb:EGNOS
WAAS
MSAS
|
|
gptkbp:has_component
|
gptkb:Satellites
Ground Stations
User Equipment
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
GPS Satellite Systems
|
|
gptkbp:is_based_on
|
Satellite Geometry
Time Signals
|
|
gptkbp:is_enhanced_by
|
Differential GPS
|
|
gptkbp:is_part_of
|
gptkb:Earth_observation
|
|
gptkbp:is_regulated_by
|
gptkb:International_Telecommunication_Union
gptkb:Federal_Aviation_Administration
|
|
gptkbp:is_supported_by
|
gptkb:pedestrian_walkway
Ground Control Stations
Monitoring Stations
|
|
gptkbp:is_used_by
|
gptkb:military
Civilian
Commercial
|
|
gptkbp:is_vulnerable_to
|
Jamming
Spoofing
Interference
|
|
gptkbp:operated_by
|
gptkb:United_States_Air_Force
|
|
gptkbp:operates_in
|
gptkb:Space
|
|
gptkbp:operational_since
|
gptkb:1995
|
|
gptkbp:orbit_type
|
31
Radio Signals
|
|
gptkbp:performance
|
10 meters
5 meters
|
|
gptkbp:provides
|
Location Information
|
|
gptkbp:related_to
|
gptkb:Bei_Dou
gptkb:GLONASS
gptkb:Galileo
|
|
gptkbp:requires
|
GPS Receiver
|
|
gptkbp:services_provided
|
Navigation
Mapping
Timing
Time Synchronization
|
|
gptkbp:uses
|
gptkb:Earth_observation
Triangulation
|
|
gptkbp:uses_atomic_clocks
|
gptkb:Yes
|
|
gptkbp:bfsParent
|
gptkb:TRW_Space_and_Electronics
|
|
gptkbp:bfsLayer
|
7
|