English abbreviations from tdr to tdt
- TDR (Transponder (in some cases))
- TDRB (Test Data Review Board)
- TDRC (Theater Detainee Reporting Center)
- TDRF (The Dutch Resistance Fighters)
- TDRL (Temporal-Difference Reinforcement Learning)
- TDRS (Tracking Data and Relay Satellite)
- TDRSS ((communications network) Tracking and Data Relay Satellite System, an array of satellites used by NASA to communicate with many spacecraft in low Earth orbit)
- TDS (Top Drive System)
- tds/tid (Three times a day)
- TDSA (Tulsa Disc Sports Association)
- TDSG (Time Division Switching Group)
- TDSGM (Time Division Switching Group Modified)
- TDSP (Training and Dissemination Scheme Projects)
- TDSS (Theater Decision Support System)
- TDT (TDT Log)