TA

Terminal Adapter

TAC

Time Allocation Committee

TAG

Technical Advisory Group

TAI

Time Atomic International

TB

Telescope Baffle

TBA

To Be Advised
To Be Abbreviated
To Be Acronymed

TBB

Transportable Base-Band

TBC

To Be Confirmed
To Be Checked

TBD

To Be Defined
To Be Determined
To Be Discussed

TBI

To Be Included

TBP

To Be Provided

TBR

To Be Resolved

TBS

To Be Supplied

TBW

To Be Written

TC

Thermal Control
Thermo Couple

TCA

Telemetry Channel Assembly

TCG

Technical Co-ordination Group

TCDS

Telemetry Channel Decoding System

TCO

Total Cost of Ownership

TCP

Transport Control Protocol

TCP/IP

Transport Control Protocol/Internet Protocol
Transmission Control Protocol/Internet Protocol

TCU

Title Control Unit
Temperature Controlled Unit

TD

Technical Desktop
Technical Description

TDD

Test-Data Definition document

TDRS

Tracking and Data relay Satellite

TDS

Test-Data Set

TEB

Technical Evaluation Board

TEC

Total Electron Content/Thermal Environmental Control

TECS

Thermal Environmental Control Subsystem

TEF

Technology Exposure Facility

TGS

Ticket Granting System

TIDC

Technical Information and Documentation Centre

TIM 

Technical Interface Meeting

TIS

Technical Information System

TM

Thermal Model
TeleMetry
Technological Model

TM/TC

TeleMetry and TeleCommand

TMP

Technology Master Plan

TMR

Tunnelling Magneto Resistance

TMT

Thermal Model Tool

TN

Technical Note

TOB

Tender Opening Board

TOC

Table Of Contents

TOD

Time Of Day

TOS

Technical and Operational Support

TPC

Technical Personal Computer

TPS

Thermal Protection System

TRB

Test Review Board

TRL

Technology Readiness Level

TrM

Training Model

TRM

Transmit/Receive modules

TRP

Technology Research Programme

TRR

Test Readiness Review board

TS

Telemetry Simulator
Trouble Shooting

TS-EQ

Technical Specification for the Equipment

TS-EX

Technical Specification for the Experiment

TSB

Telematics Standardisation Board

TSC

Telescience Support Centre

TSE

Terminal Server Edition

TSF

Tracking and Simulation Facility

TSM

Tivoli Storage Manager

TSO

Time-Sharing Option

TSS

Tethered Satellite System

TSW

Transistor Switch
Temporary Storage Warehouse

TT

Topical Team

TT&C

Telemetry, Tracking & Commanding

TTA

Thermal Test Adapter

TTB

Time-Tag command Buffer

TTC

Telemetry, Tracking and Commanding

TTCDAF

Telemetry, Tracking and Command Data Acquisition Facility

TTIM

Total Thruster Impulse Monitor

TTP

Technology Transfer Programme

TU/e

Technische Universiteit Eindhoven

TV

Thermal Vacuum

TVC

Thrust Vector Control

TVP

Target Visibility Predictor

TW

Technical Workstation
Tracking Window

TWT

Travelling Wave Tube