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gptkbp:instance_of
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gptkb:satellite
|
|
gptkbp:communication_system
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gptkb:communication_systems
|
|
gptkbp:coverage
|
yes
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|
gptkbp:data_transmission
|
secure and jam-resistant
|
|
gptkbp:data_usage
|
up to 1.5 Mbps
|
|
gptkbp:debut
|
gptkb:1994
gptkb:2003
|
|
gptkbp:developed_by
|
gptkb:United_States_Department_of_Defense
|
|
gptkbp:frequency
|
global
beyond line of sight
UHF and EHF
|
|
gptkbp:home_ground
|
U. S. military ground stations
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|
https://www.w3.org/2000/01/rdf-schema#label
|
Milstar
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|
gptkbp:is_integrated_with
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gptkb:NATO_forces
integrated with other military systems
|
|
gptkbp:launch_date
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gptkb:1994
|
|
gptkbp:launch_price
|
estimated at $1 billion
|
|
gptkbp:launch_site
|
gptkb:Cape_Canaveral_Space_Force_Station
|
|
gptkbp:launch_vehicle
|
gptkb:Atlas_II
|
|
gptkbp:manufacturer
|
gptkb:Lockheed_Martin
gptkb:Northrop_Grumman
|
|
gptkbp:military_technology
|
yes
limited
|
|
gptkbp:mission
|
15 years
|
|
gptkbp:network
|
gptkb:constellation
|
|
gptkbp:operational_status
|
active
|
|
gptkbp:operational_use
|
gptkb:U._S._military
|
|
gptkbp:orbit_type
|
gptkb:geostationary_orbit
gptkb:Milstar_network
gptkb:5
gptkb:Wideband_Global_SATCOM
gptkb:Atlas_II
gptkb:U._S._Space_Force
gptkb:Milstar_I
gptkb:Milstar_II
15 years
digital
modular
second generation
secure military communications
approximately 5,000 kg
geostationary satellite
dual-band
in orbit
constellation network
multiple launches since 1994
planned decommissioning after 15 years
|
|
gptkbp:orbital_altitude
|
approximately 36,000 kilometers
|
|
gptkbp:power_source
|
solar panels
|
|
gptkbp:propulsion
|
chemical propulsion
|
|
gptkbp:provides_information_on
|
secure data link
|
|
gptkbp:purpose
|
secure communications
secure military communications
|
|
gptkbp:reliability
|
high
|
|
gptkbp:satellite_series
|
Milstar I and II
|
|
gptkbp:security
|
yes
|
|
gptkbp:service
|
15 years
|
|
gptkbp:service_branch
|
gptkb:United_States_Air_Force
|
|
gptkbp:successor
|
gptkb:Wideband_Global_SATCOM
|
|
gptkbp:user
|
gptkb:United_States_Department_of_Defense
|
|
gptkbp:user_base
|
U. S. military and allies
|
|
gptkbp:bfsParent
|
gptkb:United_States_Air_Force
|
|
gptkbp:bfsLayer
|
3
|