|
gptkbp:instance_of
|
gptkb:satellite
|
|
gptkbp:collaboration
|
gptkb:NATO
|
|
gptkbp:communication_links
|
secure and non-secure
|
|
gptkbp:communication_system
|
digital signal processing
|
|
gptkbp:constellation
|
gptkb:Defense_Satellite_Communications_System
|
|
gptkbp:coverage
|
gptkb:North_America
global
|
|
gptkbp:data_transmission
|
real-time
|
|
gptkbp:data_usage
|
up to 1.544 Mbps
|
|
gptkbp:debut
|
multiple launches
DSCS-3 A
DSCS-3 D
|
|
gptkbp:decommissioned
|
yes
|
|
gptkbp:design
|
gptkb:General_Dynamics
10 years
|
|
gptkbp:frequency
|
gptkb:Super_High_Frequency_(SHF)
voice, data, and video
|
|
gptkbp:has_ability
|
gptkb:1983
|
|
gptkbp:has_units
|
multiple
|
|
gptkbp:home_ground
|
gptkb:Air_Force_Satellite_Control_Network
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
DSCS-3
|
|
gptkbp:launch_date
|
gptkb:1982
periodic launches
|
|
gptkbp:launch_site
|
gptkb:Cape_Canaveral_Air_Force_Station
|
|
gptkbp:launch_vehicle
|
gptkb:Atlas_D
|
|
gptkbp:manufacturer
|
gptkb:Hughes_Aircraft_Company
|
|
gptkbp:military_branch
|
gptkb:United_States_Department_of_Defense
|
|
gptkbp:military_technology
|
command and control
|
|
gptkbp:mission_type
|
communications
|
|
gptkbp:operational_period
|
1982 to 2000s
|
|
gptkbp:operator
|
gptkb:United_States_Air_Force
|
|
gptkbp:orbit_type
|
gptkb:geostationary_orbit
gptkb:HS-376
yes
high reliability
redundant systems
geostationary
over 15 years
remote control from ground stations
routine maintenance required
DSCS series
|
|
gptkbp:orbital_altitude
|
approximately 22,300 miles
|
|
gptkbp:power_source
|
solar panels
|
|
gptkbp:primary_use
|
secure military communications
|
|
gptkbp:propulsion
|
hydrazine thrusters
|
|
gptkbp:replaced_by
|
Wideband Global SATCOM (WGS)
|
|
gptkbp:satellite_architecture
|
modular design
|
|
gptkbp:satellite_decommissioning
|
phased out in favor of newer systems
|
|
gptkbp:satellite_upgrades
|
software and hardware improvements
technology refreshes
|
|
gptkbp:security
|
yes
high level of security
|
|
gptkbp:service
|
extended through upgrades
|
|
gptkbp:status
|
operational
|
|
gptkbp:successor
|
DSCS-4
|
|
gptkbp:track
|
continuous monitoring by ground stations
|
|
gptkbp:type
|
gptkb:satellite
|
|
gptkbp:weight
|
approximately 3,000 pounds
|
|
gptkbp:bfsParent
|
gptkb:Titan_IVA
|
|
gptkbp:bfsLayer
|
7
|