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gptkbp:instance_of
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gptkb:satellite
|
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gptkbp:application
|
maritime, aviation, land mobile
|
|
gptkbp:availability
|
24/7 availability
|
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gptkbp:bus_connections
|
gptkb:Boeing_702
|
|
gptkbp:command_structure
|
portable user terminals
|
|
gptkbp:communication_system
|
IP-based services
|
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gptkbp:controls
|
reaction wheels
|
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gptkbp:cooling_system
|
passive thermal control
|
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gptkbp:coverage
|
global
|
|
gptkbp:data_usage
|
high data throughput
up to 432 kbps
|
|
gptkbp:design
|
gptkb:Arianespace
15 years
|
|
gptkbp:end_of_life
|
2028
|
|
gptkbp:frequency
|
1.6 GHz
1.5 GHz
L-band
|
|
gptkbp:healthcare
|
telemetry and command system
|
|
gptkbp:home_ground
|
Inmarsat ground stations
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Inmarsat I-4 F3 satellite
|
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gptkbp:infrastructure
|
mesh network architecture
|
|
gptkbp:launch_date
|
2008-03-14
|
|
gptkbp:launch_mass
|
6,000 kg
|
|
gptkbp:launch_site
|
gptkb:Centre_Spatial_Guyanais
|
|
gptkbp:launch_vehicle
|
gptkb:Ariane_5
|
|
gptkbp:manufacturer
|
gptkb:Boeing
|
|
gptkbp:mass
|
6,000 kg
|
|
gptkbp:network
|
global mobile satellite network
|
|
gptkbp:operator
|
gptkb:Inmarsat
|
|
gptkbp:orbit_type
|
gptkb:geostationary_orbit
gptkb:Boeing_702
gptkb:true
two-way communication
geostationary satellite
fourth generation
Inmarsat I-4 network
|
|
gptkbp:orbital_altitude
|
98.45° E
|
|
gptkbp:payload_capacity
|
3,000 kg
|
|
gptkbp:powers
|
12 k W
|
|
gptkbp:propulsion
|
chemical propulsion system
|
|
gptkbp:purpose
|
gptkb:communication
|
|
gptkbp:ram
|
multiple channels
|
|
gptkbp:regulatory_body
|
gptkb:International_Telecommunication_Union
|
|
gptkbp:satellite_link
|
high-speed satellite link
|
|
gptkbp:series
|
Inmarsat I-4 series
|
|
gptkbp:service
|
gptkb:2008
|
|
gptkbp:service_area
|
global coverage regions
|
|
gptkbp:service_type
|
mobile satellite service
broadband data services
|
|
gptkbp:services
|
voice and data services
high reliability and availability
|
|
gptkbp:services_provided
|
gptkb:Inmarsat_Global_Limited
|
|
gptkbp:status
|
operational
|
|
gptkbp:sustainability
|
large solar arrays
|
|
gptkbp:transponders
|
multiple transponders
|
|
gptkbp:user_base
|
global user base
|
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gptkbp:bfsParent
|
gptkb:Inmarsat_plc
|
|
gptkbp:bfsLayer
|
6
|