gptkbp:instance_of
|
gptkb:satellite
|
gptkbp:communication_type
|
gptkb:radio_station
|
gptkbp:constellation
|
gptkb:constellation
|
gptkbp:coverage
|
global
|
gptkbp:data_service
|
push-to-talk
|
gptkbp:data_usage
|
up to 1.5 kbps
|
gptkbp:debut
|
gptkb:Iridium_1
|
gptkbp:emergency_services
|
yes
|
gptkbp:first_communication
|
gptkb:1998
|
gptkbp:first_generation
|
gptkb:Iridium_NEXT
gptkb:Iridium_1-66
|
gptkbp:frequency
|
L band
|
gptkbp:global_coverage
|
yes
|
gptkbp:home_ground
|
Iridium ground stations
|
https://www.w3.org/2000/01/rdf-schema#label
|
Iridium satellites
|
gptkbp:last_launch
|
gptkb:Iridium_NEXT
|
gptkbp:launch_date
|
gptkb:1997
|
gptkbp:launch_site
|
gptkb:Vandenberg_Space_Force_Base
|
gptkbp:launch_vehicle
|
gptkb:Delta_II
|
gptkbp:manufacturer
|
gptkb:Iridium_Communications
|
gptkbp:notable_feature
|
cross-linked architecture
|
gptkbp:operational_status
|
operational
|
gptkbp:orbit_type
|
gptkb:66
low Earth orbit
polar orbit
bus design
mesh network
|
gptkbp:orbital_altitude
|
780 km
|
gptkbp:part_of
|
gptkb:Iridium_satellite_system
|
gptkbp:primary_use
|
voice and data communication
|
gptkbp:replaced_by
|
gptkb:Iridium_NEXT
|
gptkbp:satellite_communication_protocols
|
standard protocols used.
|
gptkbp:satellite_communication_range
|
up to 1000 km
|
gptkbp:satellite_communication_system
|
store-and-forward system
|
gptkbp:satellite_coverage
|
full Earth coverage
|
gptkbp:satellite_data_services
|
yes
|
gptkbp:satellite_decommissioning
|
yes
|
gptkbp:satellite_design_life
|
7 years
|
gptkbp:satellite_frequency
|
1616 MHz to 1626.5 MHz
|
gptkbp:satellite_integration
|
with other systems
|
gptkbp:satellite_launch_history
|
multiple launches from 1997 to present
|
gptkbp:satellite_lifetime
|
approximately 5 years
|
gptkbp:satellite_maintenance
|
on-orbit servicing
|
gptkbp:satellite_network
|
inter-satellite links
|
gptkbp:satellite_network_management
|
automated systems
|
gptkbp:satellite_power_source
|
solar panels
|
gptkbp:satellite_redundancy
|
yes
|
gptkbp:satellite_replacement
|
every 10 years
|
gptkbp:satellite_security
|
encryption available
|
gptkbp:satellite_technology_innovation
|
yes
|
gptkbp:satellite_technology_partners
|
multiple partners
|
gptkbp:satellite_traffic
|
voice and data traffic
|
gptkbp:satellite_user_applications
|
maritime, aviation, military
|
gptkbp:satellite_voice_services
|
yes
|
gptkbp:satellite_weight
|
around 670 kg
|
gptkbp:service_launch
|
gptkb:1998
|
gptkbp:service_provider
|
gptkb:Iridium_Communications_Inc.
|
gptkbp:service_type
|
mobile satellite communication
two-way data
|
gptkbp:technology
|
satellite communication technology
|
gptkbp:user_base
|
government and commercial users
|
gptkbp:user_terminal
|
gptkb:Iridium_phone
|
gptkbp:voice_service
|
yes
|
gptkbp:bfsParent
|
gptkb:Baikonur_Cosmodrome
gptkb:Delta_II_rocket
gptkb:Delta_II_7320-10
|
gptkbp:bfsLayer
|
5
|