|
gptkbp:instance_of
|
gptkb:star
|
|
gptkbp:broadcasts
|
low latency
|
|
gptkbp:capacity
|
high
|
|
gptkbp:communication
|
gptkb:satellite
|
|
gptkbp:constellation
|
polar orbit
|
|
gptkbp:covered_by
|
gptkb:battle
global
|
|
gptkbp:data_usage
|
2400 bps
|
|
gptkbp:debut_year
|
gptkb:Iridium_1
gptkb:Iridium_NEXT
|
|
gptkbp:decommissioned
|
gptkb:6
|
|
gptkbp:deployment
|
gptkb:1998
|
|
gptkbp:elevation
|
780 km
|
|
gptkbp:emergency_services
|
gptkb:battle
|
|
gptkbp:equipment
|
handheld devices
|
|
gptkbp:frequency
|
L-band
|
|
gptkbp:home_ground
|
multiple worldwide
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Iridium satellite constellation
|
|
gptkbp:is_integrated_with
|
with other networks
|
|
gptkbp:is_supported_by
|
24/7 customer support
|
|
gptkbp:launch_date
|
gptkb:1997
|
|
gptkbp:launch_vehicle
|
gptkb:Delta_II
|
|
gptkbp:manufacturer
|
gptkb:Motorola
|
|
gptkbp:marketed_as
|
gptkb:2001
|
|
gptkbp:mission
|
gptkb:66
5 years
high
7 years
ongoing
ground control stations
two-way
multiple missions
Low Earth Orbit (LEO)
interconnected
continuous upgrades
in phases
1616 M Hz to 1626.5 M Hz
around 670 kg
aviation, maritime, military
total of 75
|
|
gptkbp:network
|
mesh network
|
|
gptkbp:operated_by
|
gptkb:Iridium_Communications
|
|
gptkbp:orbital_inclination
|
86.4 degrees
|
|
gptkbp:orbital_period
|
100 minutes
|
|
gptkbp:partnerships
|
various global partners
|
|
gptkbp:primary_source
|
aerospace and maritime communication
|
|
gptkbp:range
|
up to 1000 km
|
|
gptkbp:replaced_by
|
gptkb:Iridium_NEXT
|
|
gptkbp:research
|
ongoing advancements
|
|
gptkbp:service_type
|
voice and data
|
|
gptkbp:services
|
gptkb:Iridium_Communications_Inc.
gptkb:Iridium_Certus
|
|
gptkbp:status
|
operational
|
|
gptkbp:track
|
real-time
|
|
gptkbp:transmission
|
secure
|
|
gptkbp:user_base
|
government and commercial
|
|
gptkbp:user_interface
|
user-friendly
|
|
gptkbp:bfsParent
|
gptkb:Iridium_Communications
|
|
gptkbp:bfsLayer
|
4
|