| T |
Time |
| TACS |
Transponder Access Control System |
| TASI |
Time Assignment Speech Interpolation |
| TB |
Traffic Burst |
| TB |
Trunk Buffer |
| TBBF |
Top Baseband Frequency |
| TBR |
Technical Basis for Regulation |
| TBR |
Transmission Bit Rate |
| TBU |
Transmit Baseband Unit |
| TC |
Technical Committee |
| TC |
Telecommand |
| TC |
Terrestrial Channel |
| TC |
Trunk Circuit |
| TC and R |
Telemetry Command and Ranging |
| TCC |
Telephone Coordinating Circuit |
| TCE |
Telemetry and Command Equipment |
| TCH |
Traffic Channel |
| TCH |
Transparent Circuit Handler |
| TCP/IP |
Transport Control Protocol/Internet Protocol |
| TCM |
Trajectory Correction Manoeuvrer |
| TCM |
Trellis Code Modulation |
| TCP |
Transmission Control Protocol |
| TCP |
Transmit Channel Processing |
| TCPED |
Tasking, Collection, Processing, Exploitation and Dissemination |
| TCP/IP |
Transmission Control Protocol/Internet Protocol |
| TCR |
Telemetry, Command & Ranging |
| TCR |
Tracking, Control and Ranging |
| TCS |
Thermal Control Subsystem |
| TCS |
Traffic Control System |
| TCU |
Telemetry Control Unit |
| TCXO |
Temperature Compensated Crystal Oscillator |
| TDA |
Terminal Diode Amplifier |
| TDB |
Traffic Data Base |
| TDD |
Time Division Duplex |
| TDE |
Time Delay Equaliser |
| TDG |
Transmit Data Gate |
| TDM |
Time Division Multiplex |
| TDMA |
Time Division Multiple Access |
| TDRSS |
Tracking and Data Relay Satellite System |
| T/E |
Transporter/Erector |
| TE |
Terminal Equipment |
| TE |
Threshold Extension |
| TE |
Transporter/Erector |
| TE |
Transverse Electric |
| TEA-TEB |
Triethylaluminium-Triethylborane |
| TED |
Threshold Extension Demodulator |
| TED |
Threshold Extension Device |
| TEI |
Trans Earth Injection |
| TEL |
Transporter/Erector/Launcher |
| TEM |
Transverse Electromagnetic Mode |
| TES |
Transportable Earth Station |
| TES |
Telephony Earth Station |
| TESUG |
The European Satellite User Group |
| TFA |
Transmit Frame Acquisition Procedure |
| TFM |
Tamed Frequency Modulation |
| TFAS |
Transmit Frame Acquisition and Synchronisation Procedure |
| TFR |
Temporary Flight Restriction |
| TFS |
Transmit Frame Synchronisation Procedure |
| TFT |
Thin Film Transistor |
| TFU |
Time and Frequency Unit |
| TGF |
Through Group Filter |
| TIM |
TDMA Interface Module |
| TIM |
Terrestrial Interface Module |
| TIRS |
Thermal Infrared Scanner |
| TIU |
Terrestrial Interface Unit |
| TLES |
Two Line Element Set |
| TLI |
Trans Lunar Injection |
| TLP |
Transmission Level Point |
| TM |
Telemetry |
| TM |
Transmission and Multiplexing |
| TM |
Transverse Magnetic |
| TMC |
Tracking Mode Coupler |
| TMI |
Trans Mars Injection |
| TMTC |
Telemetry/Telecommand |
| TNIP |
Terrestrial Network Interface Processor |
| TOC |
Television Operating Centre |
| TOCC |
Technical and Operational Control Centre |
| TOI |
Third Order Intercept |
| TOIRS |
Transfer Orbit Infrared Earth Sensor |
| TOPS |
Telemetry Operations |
| TOS |
Transfer Orbit Stage |
| TOSSA |
Transfer Orbit Sun Sensor Assembly |
| TOT |
Time of Transmission |
| TP |
Test Point |
| TPA |
Turbopump Assembly |
| TPD |
Time Pulse Delay |
| TPS |
Thermal Protection System |
| TPT |
Transmission Path Translator |
| T/R |
Transmit/Receive |
| TRL |
Technology Readiness Level |
| TRM |
Transmit Receive Module |
| TRMA |
Time Random Multiple Access |
| TRMS |
TDMA Reference and Monitoring Station |
| TRT |
Timing and Reference Transponder |
| TS |
Thrust Simulator |
| TS |
Time Slot |
| TSC |
Test Sequence Controller |
| TSF |
Through Supergroup Filter |
| TSM |
TDMA System Monitor |
| TSM |
Telephony Signalling Module |
| TSP |
Transmit Shift Pulse |
| TSS |
Tethered Satellite System |
| TSU |
Terminating Signal Unit |
| TT&C |
Telemetry, Telecommand and Control |
| TT&C |
Telemetry, Tracking and Command |
| TTB |
Trunk Test Buffer |
| TTF |
Test Time Frame |
| TTL |
Transistor Transistor Logic |
| TTP |
Trunk Test Panel |
| TTPB |
Trunk Test Panel Buffer |
| TTS |
TDMA Terminal Simulation |
| TtT |
Terminal to Terminal |
| TTY |
Telegraph |
| T/V |
Thermal Vacuum |
| TV |
Television |
| TVC |
Thrust Vector Control |
| TVRO |
Television Receive Only |
| TWR |
Thrust to Weight Ratio |
| TWT |
Travelling Wave Tube |
| TWTA |
Travelling Wave Tube Amplifier |
| TX |
Transmit, Transmitter |
