|
gptkbp:instance_of
|
gptkb:satellite
|
|
gptkbp:bus_connections
|
gptkb:Boeing_702
|
|
gptkbp:constellation
|
I-4 constellation
|
|
gptkbp:controls
|
Inmarsat control centers
|
|
gptkbp:coverage
|
global
|
|
gptkbp:data_usage
|
up to 1.5 Mbps
up to 432 kbps
|
|
gptkbp:design
|
gptkb:Arianespace
|
|
gptkbp:emergency_services
|
yes
|
|
gptkbp:equipment
|
Inmarsat terminals
|
|
gptkbp:frequency
|
yes
L-band
1616-1626.5 MHz
|
|
gptkbp:healthcare
|
yes
|
|
gptkbp:home_ground
|
Inmarsat ground stations
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Inmarsat I-4 F2 satellite
|
|
gptkbp:inter-satellite_link
|
no
|
|
gptkbp:launch_date
|
gptkb:2008
2008-04-01
|
|
gptkbp:launch_site
|
gptkb:Centre_Spatial_Guyanais
|
|
gptkbp:launch_vehicle
|
gptkb:Ariane_5
|
|
gptkbp:lifespan
|
15 years
|
|
gptkbp:manufacturer
|
gptkb:Boeing
|
|
gptkbp:mass
|
6,000 kg
|
|
gptkbp:modulation
|
QPSK
|
|
gptkbp:network
|
gptkb:satellite
|
|
gptkbp:onboard_processing
|
yes
|
|
gptkbp:operator
|
gptkb:Inmarsat
|
|
gptkbp:orbit_type
|
gptkb:geostationary_orbit
gptkb:Boeing_702
gptkb:true
15 years
digital
geostationary satellite
|
|
gptkbp:orbital_altitude
|
98.45° E
|
|
gptkbp:payload_capacity
|
3,000 kg
10 k W
|
|
gptkbp:powers
|
12 k W
|
|
gptkbp:primary_mission
|
providing mobile satellite services
|
|
gptkbp:purpose
|
gptkb:communication
|
|
gptkbp:regulatory_compliance
|
gptkb:International_Telecommunication_Union
|
|
gptkbp:revenue_service_start_date
|
2008-06-01
|
|
gptkbp:satellite_health_monitoring
|
yes
|
|
gptkbp:security
|
AES-256
|
|
gptkbp:service
|
2023-04-01
2008-04-01
|
|
gptkbp:service_area
|
oceanic and remote regions
|
|
gptkbp:service_type
|
mobile satellite service
|
|
gptkbp:services
|
voice, data, and video
|
|
gptkbp:services_provided
|
gptkb:Inmarsat_Global_Limited
|
|
gptkbp:status
|
operational
|
|
gptkbp:storage
|
Inmarsat I-4 F1
|
|
gptkbp:transponders
|
gptkb:4
|
|
gptkbp:bfsParent
|
gptkb:Inmarsat_plc
|
|
gptkbp:bfsLayer
|
6
|