GPS IIF satellites

GPTKB entity

Statements (64)
Predicate Object
gptkbp:instance_of gptkb:satellite
gptkbp:control_segment gptkb:United_States_Air_Force
gptkbp:data_usage 50 bps
gptkbp:debut 2010-05-27
gptkbp:development_cost $1.5 billion
gptkbp:first_flight gptkb:2010
gptkb:2016
gptkbp:frequency L-band
gptkbp:ground_station various locations
gptkbp:has_units gptkb:12
gptkbp:home_ground gptkb:GPS_Operations_Center
https://www.w3.org/2000/01/rdf-schema#label GPS IIF satellites
gptkbp:last_launch 2016-01-20
gptkbp:launch_count gptkb:12
gptkbp:launch_date gptkb:2010
gptkbp:launch_site gptkb:Cape_Canaveral_Air_Force_Station
gptkbp:launch_vehicle gptkb:Atlas_V
gptkbp:manufacturer gptkb:Lockheed_Martin
gptkbp:mass 1630 kg
gptkbp:modulation BPSK
gptkbp:navigation_message gptkb:broadcasted
gptkbp:navigation_system GNSS
gptkbp:onboard_systems atomic clocks
gptkbp:operational_lifetime 12 years
gptkbp:orbit_type gptkb:advanced_technology
modular
ground control stations
geocentric
medium Earth orbit satellite
gptkbp:orbital_altitude 20200 km
gptkbp:orbital_period about 12 hours
gptkbp:part_of_system gptkb:Earth_observation
gptkbp:positioning_accuracy better than 1 meter
gptkbp:power_source solar panels
gptkbp:purpose gptkb:navigation
gptkbp:replacement_for gptkb:GPS_Block_IIR_satellites
gptkbp:satellite_availability high availability
gptkbp:satellite_bus A2100
gptkbp:satellite_communication gptkb:radio_station
gptkbp:satellite_communication_system gptkb:communication_systems
gptkbp:satellite_data positioning data
gptkbp:satellite_deployment incremental
gptkbp:satellite_features high accuracy
gptkbp:satellite_integration system integration
gptkbp:satellite_lifetime 12 years
gptkbp:satellite_maintenance scheduled maintenance
gptkbp:satellite_monitoring continuous monitoring
gptkbp:satellite_numbering SVN-70 to SVN-81
gptkbp:satellite_performance high performance
gptkbp:satellite_reliability high reliability
gptkbp:satellite_replacement planned replacement
gptkbp:satellite_signals navigation signals
gptkbp:satellite_system GPS system
gptkbp:satellite_technology_innovation technology innovation
gptkbp:satellite_upgrades software upgrades
gptkbp:signal_bandwidth 20 MHz
gptkbp:signal_encryption Y-code
gptkbp:signal_frequency 1.57542 GHz
gptkbp:signal_type L1, L2, L5
gptkbp:spacecraft_type gptkb:satellite
gptkbp:status operational
gptkbp:user_segment civilian and military
gptkbp:bfsParent gptkb:Delta_IV
gptkbp:bfsLayer 4