|
gptkbp:instance_of
|
gptkb:hospital
|
|
gptkbp:bfsLayer
|
4
|
|
gptkbp:bfsParent
|
gptkb:Real_Solar_System
|
|
gptkbp:application
|
gptkb:aircraft
gptkb:railway_line
maritime navigation
mapping
geocaching
surveying
automotive navigation
|
|
gptkbp:consists_of
|
gptkb:star
|
|
gptkbp:debut_year
|
gptkb:1978
|
|
gptkbp:developed_by
|
gptkb:United_States_Department_of_Defense
military purposes
|
|
gptkbp:frequency
|
L1, L2, L5
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Global Positioning Systems (GPS)
|
|
gptkbp:impact
|
gptkb:public_transportation_system
gptkb:Company
gptkb:railway_line
gptkb:park
gptkb:Telecommunications_company
agriculture
construction
environmental monitoring
|
|
gptkbp:is_available_in
|
civilian users
|
|
gptkbp:is_enhanced_by
|
gptkb:Wide_Area_Augmentation_System_(WAAS)
Differential GPS (DGPS)
|
|
gptkbp:is_part_of
|
gptkb:satellite
|
|
gptkbp:is_subject_to
|
signal interference
atmospheric effects
multipath effects
satellite geometry
|
|
gptkbp:is_used_in
|
gptkb:smartphone
gptkb:engine
gptkb:helicopter
tablets
wearable devices
|
|
gptkbp:mission
|
radio signals
at least 24
|
|
gptkbp:operates
|
gptkb:satellite
open access
|
|
gptkbp:operates_in
|
real-time
|
|
gptkbp:performance
|
within a few meters
|
|
gptkbp:provides
|
location information
|
|
gptkbp:regulates
|
gptkb:National_Oceanic_and_Atmospheric_Administration_(NOAA)
gptkb:Federal_Communications_Commission_(FCC)
gptkb:Federal_Aviation_Administration_(FAA)
|
|
gptkbp:requires
|
gptkb:hospital
|
|
gptkbp:services
|
precise positioning service
standard positioning service
|
|
gptkbp:technology
|
trilateration
|
|
gptkbp:uses
|
satellites
|