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gptkbp:instance_of
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gptkb:satellite
|
|
gptkbp:communication
|
radio signals
|
|
gptkbp:contributes_to
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gptkb:GPS_constellation
|
|
gptkbp:design
|
7.5 years
|
|
gptkbp:developed_by
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gptkb:United_States_Air_Force
|
|
gptkbp:frequency
|
L1 and L2
L5 for safety-of-life services
|
|
gptkbp:has
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multiple antennas
|
|
gptkbp:has_ability
|
real-time positioning
|
|
gptkbp:has_backup_systems
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for critical functions
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|
gptkbp:home_ground
|
gptkb:GPS_Operations_Center
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
GPS IIR satellites
|
|
gptkbp:includes
|
redundant systems
|
|
gptkbp:is_capable_of
|
providing differential GPS services
|
|
gptkbp:is_compatible_with
|
various GPS receivers
|
|
gptkbp:is_connected_to
|
ground control stations
user equipment
|
|
gptkbp:is_designed_for
|
military navigation
|
|
gptkbp:is_designed_to
|
withstand harsh environments
provide redundancy in navigation.
|
|
gptkbp:is_enhanced_by
|
gptkb:GPS_IIR-M_satellites
|
|
gptkbp:is_equipped_with
|
GPS receivers
|
|
gptkbp:is_evaluated_by
|
NASA and other agencies
|
|
gptkbp:is_integrated_with
|
other GPS blocks
|
|
gptkbp:is_involved_in
|
search and rescue operations
|
|
gptkbp:is_part_of
|
gptkb:GPS_Block_II_series
gptkb:National_Guard
gptkb:Earth_observation
satellite-based augmentation systems
|
|
gptkbp:is_subject_to
|
regular maintenance
international regulations
|
|
gptkbp:is_supported_by
|
ground infrastructure
|
|
gptkbp:is_tested_for
|
reliability and performance
|
|
gptkbp:is_used_for
|
geolocation services
|
|
gptkbp:is_used_in
|
aviation, maritime, and land navigation
|
|
gptkbp:is_utilized_by
|
various industries
|
|
gptkbp:launch_date
|
January 17, 1997
May 2004
|
|
gptkbp:launch_vehicle
|
gptkb:Delta_II
|
|
gptkbp:launched_in
|
gptkb:Cape_Canaveral_Air_Force_Station
1997 and 2004
|
|
gptkbp:manufacturer
|
gptkb:Lockheed_Martin
|
|
gptkbp:navigation_system
|
broadcasted to users
|
|
gptkbp:number
|
gptkb:12
|
|
gptkbp:operated_by
|
gptkb:United_States_Department_of_Defense
|
|
gptkbp:operational_use
|
approximately 10 years
|
|
gptkbp:orbital_altitude
|
20,200 kilometers
|
|
gptkbp:part_of
|
gptkb:Earth_observation
|
|
gptkbp:performance
|
within 5 meters
|
|
gptkbp:power_source
|
solar panels
|
|
gptkbp:primary_function
|
gptkb:navigation
|
|
gptkbp:provides
|
precise timing
|
|
gptkbp:replaced_by
|
gptkb:GPS_III_satellites
|
|
gptkbp:services_provided
|
global users
|
|
gptkbp:setting_time
|
atomic clocks
|
|
gptkbp:status
|
decommissioned or operational
|
|
gptkbp:successor
|
gptkb:GPS_IIR-M_satellites
|
|
gptkbp:supports
|
military and civilian applications
|
|
gptkbp:uses
|
CDMA technology
|
|
gptkbp:weight
|
approximately 1,600 kg
|
|
gptkbp:bfsParent
|
gptkb:GPS_III_satellites
|
|
gptkbp:bfsLayer
|
5
|