[1] Switched Data Service
[2] Synchronous Data Set
[3] Serielle Digitale Schnittstelle
[4] Simulation Data Subsystem (->“IEEE Standard Dictionary”)
[5] Software Development Specification (->“IEEE Standard Dictionary”)
[6] Scientific Data System (->“IEEE Standard Dictionary”)
[7] Shuttle Data Systems (->“NASA Acronym List”)
[8] Shuttle Dynamic Simulator (->“NASA Acronym List”)
[9] Software Design Specification (->“NASA Acronym List”)
[10] Steering Damping System (->“NASA Acronym List”)
[11] Short Data Service