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About: Satellite Data System     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole100003553, within Data Space : dbpedia.org associated with source document(s)

Type: yago:WikicatCommunicationsSatellitesyago:Artifact100021939yago:CommunicationsSatellite103077741yago:Equipment103294048yago:Instrumentality103575240yago:Object100002684yago:PhysicalEntity100001930yago:Satellite104137444yago:Whole100003553 New Facet based on Instances of this Class

The Satellite Data System (SDS) is a system of United States military communications satellites. At least three generations have been used: SDS-1 from 1976 to 1987; SDS-2 from 1989 to 1996; SDS-3 from 1998 to the present. It is believed that these satellites were known by the code name Quasar. The first generation was named simply 'SDS', the second generation was named 'Quasar' and the third generation each had their own designations.