gptkbp:instance_of
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gptkb:satellite
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gptkbp:bfsLayer
|
3
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gptkbp:bfsParent
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gptkb:software
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gptkbp:application
|
navigation, mapping, and timing
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gptkbp:broadcasts
|
L1, L2, and L5 frequency bands
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gptkbp:constellation
|
at least 24 satellites
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gptkbp:debut_year
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gptkb:1978
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gptkbp:developed_by
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various aerospace companies
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gptkbp:elevation
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approximately 20,200 kilometers
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gptkbp:emissions_standard
|
radio signals
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gptkbp:enables
|
precision agriculture
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gptkbp:functionality
|
time synchronization
|
https://www.w3.org/2000/01/rdf-schema#label
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GPS satellites
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gptkbp:includes
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Block I, Block II, Block III
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gptkbp:is_connected_to
|
satellite communication systems
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gptkbp:is_critical_for
|
aviation safety
logistics and supply chain management
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gptkbp:is_designed_to
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withstand radiation
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gptkbp:is_equipped_with
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atomic clocks
redundant systems
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gptkbp:is_essential_for
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gptkb:engine
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gptkbp:is_integrated_with
|
other GNSS systems
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gptkbp:is_involved_in
|
gptkb:Research_Institute
disaster management
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gptkbp:is_maintained_by
|
gptkb:United_States_Space_Force
|
gptkbp:is_monitored_by
|
tracking stations
satellite operators
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gptkbp:is_part_of
|
gptkb:satellite
global infrastructure
national security infrastructure
international navigation systems
the GPS system
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gptkbp:is_subject_to
|
regulatory oversight
orbital decay
space weather effects
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gptkbp:is_tested_for
|
durability and reliability
|
gptkbp:is_used_for
|
timing applications
global positioning
|
gptkbp:is_used_in
|
gptkb:military_operation
emergency response
|
gptkbp:is_used_to
|
track wildlife
|
gptkbp:is_utilized_in
|
gptkb:smartphone
geospatial analysis
|
gptkbp:launched
|
gptkb:rocket
|
gptkbp:lifespan
|
about 10-15 years
|
gptkbp:operated_by
|
gptkb:United_States_Department_of_Defense
|
gptkbp:orbital_period
|
about 12 hours
|
gptkbp:performance
|
within a few meters
|
gptkbp:provides_information_on
|
geolocation services
|
gptkbp:replaced_by
|
newer satellites over time
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gptkbp:requires
|
ground control stations
|
gptkbp:services
|
military and civilian users
|
gptkbp:supports
|
search and rescue operations
|