|
gptkbp:instance_of
|
gptkb:satellite
|
|
gptkbp:communication_system
|
IP-based services
|
|
gptkbp:constellation
|
Inmarsat I-4 constellation
|
|
gptkbp:control_system
|
Inmarsat control center
|
|
gptkbp:coverage
|
aeronautical and maritime
|
|
gptkbp:data_usage
|
high data throughput
up to 432 kbps
|
|
gptkbp:design
|
15 years
|
|
gptkbp:frequency
|
yes
L-band
1616-1626.5 MHz
|
|
gptkbp:healthcare
|
telemetry and control systems
|
|
gptkbp:home_ground
|
multiple ground stations
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Inmarsat I-4 F1 satellite
|
|
gptkbp:launch_date
|
2005-12-20
|
|
gptkbp:launch_mass
|
6,000 kg
|
|
gptkbp:launch_site
|
gptkb:Baikonur_Cosmodrome
|
|
gptkbp:launch_vehicle
|
gptkb:Proton-M
|
|
gptkbp:manufacturer
|
gptkb:Boeing
|
|
gptkbp:mass
|
6,000 kg
|
|
gptkbp:operator
|
gptkb:Inmarsat
|
|
gptkbp:orbit_type
|
gptkb:Global_Xpress
gptkb:Boeing_702
15 years
modular design
global coverage
successful launch
commercial satellite
deployed in geostationary orbit
L-band frequency
broadband satellite network
|
|
gptkbp:orbital_altitude
|
98.45° W
|
|
gptkbp:payload_capacity
|
12 k W
|
|
gptkbp:powers
|
12 k W
|
|
gptkbp:purpose
|
mobile satellite communications
|
|
gptkbp:regulatory_body
|
gptkb:International_Telecommunication_Union
|
|
gptkbp:series
|
Inmarsat I-4 series
|
|
gptkbp:service
|
gptkb:2006
launched commercial services
|
|
gptkbp:service_area
|
global
|
|
gptkbp:service_type
|
broadband services
|
|
gptkbp:services
|
voice and data services
|
|
gptkbp:services_provided
|
gptkb:Inmarsat_Global_Limited
|
|
gptkbp:status
|
operational
|
|
gptkbp:storage
|
Inmarsat I-4 F2
|
|
gptkbp:transponders
|
multiple transponders
|
|
gptkbp:type
|
geostationary satellite
|
|
gptkbp:bfsParent
|
gptkb:Inmarsat_plc
|
|
gptkbp:bfsLayer
|
6
|