T-U

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TACC

Tracking and Control Center

TACS

Tracking and Control Station

TBD

To Be Determined

TBS

To Be Specified(Supplied)

TC&R

Telemetry Command & Ranging

TCP

Transmission Control Protocol

TCP/IP

Transmission Control Protocol/Internet Protocol

TDM

Time Division Multiplexing

TDMA/DSI

Time Division Multiple Access/Digital Speech Interpolation

TDRS

Tracking & Data Relay Satellite

TDRSS

Tracking & Data Relay Satellite System

TEDA

Technical Data Acquisition Equipment

TERSE

Tunable Etalon Remote Sounder for the Environment

TG-DIAL

Trace Gas Differential absorption Lidar

TIFF

Tagged-Image File Format

TISN

Todai International Science Network

TKMS

TKSC

Tukuba Space Center

TLM

Telemetry

TM

Thematic Mapper

TMI

TRMM Microwave Imager

TMS

Thailand MOS Station

Tropical Ocean and Global Atmosphere

TOMS

Total zone Mapping Spectrometer

TRIC

Tokai university Research & Information Center

TRMM

Tropical Rainfall Measuring Mission

TRMS

Tromsoe MOS Receiving Station

TSIC

Tokai university Space Information Center

TTCPLAN

Tracking, Telemetry & Command Plan

TTL

Transistor-Transistor Logic

TWT

Traveling Wave Tube

TYKKI

Taihei-You sougou Kansoku Initiative

UARS

Upper Atmospheric Research Satellite

UHF

Ultra-High Frequency

UIT

User Interface Terminal

UQPSK

Unbalanced quadrature phase shift keying

USB

Unifide S-Band

UT

Universal Time

UTM

Universal Transverse Mercator