Calling Home in 2003: JPL Roadmap to Standardized TT&C Customer Support
Susan Kurtik, Jeff B. Berner, Michael Levesque · NASA Technical Reports Server (NASA) · 2000
The telecommunications and Mission Operations Directorate (TMOD at the Jet Propulsion Laboratory (JPL) provides tracking, telemetry and command (TT&C) services for execution of a broad spectrum of deep space missions.