Satellite Technology Glossary

Satellite Technology Glossary

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There are 198 names in this directory beginning with the letter T.
t OR T
t Metric ton

T/R OR TR
Transmit/Receive

T/V
Thermal Vacuum

T&C
Telemetry and Command

T&EC
Tests and Evaluation Center

TA
Terminal Acquisition

TAAPM
Two-Axis Antenna Positioning Mechanism

TACSAT
Tactical Satellite (USA)

TAM
Total Assignment Message

TANC
Thrust Actuated Nutation Damping Control

TARS
Turn Around Ranging Station

TAS
Terminal Acquisition Support

TASI
Time Assignment Speech Interpolation

TASO
Television Advisory Standards Organization

TASS
Terminal Acquisition and Synchronization Support

TAT
Transatlantic Telephone (USA/Europe) Cable

TAW
Terminal Acquisition Window

TB
Traffic Burst

TBBF
Top Baseband Frequency

TBD
To be determined/defined/developed/done

TBM
Traffic Burst Monitor

TBMP
Traffic Burst Monitor Procedure

TBn
Traffic Burst No. n

TBTP
TSM Burst Time Plan

TBU
Transmit Baseband Unit

TC
Temperature Coefficient

TC&R
Telemetry, Command, and Ranging

TCA
Thrust Chamber Assembly

TCAR
TDMA Channel Assignment Record

TCC
Telephone Coordinating Circuit

TCE
Telemetry and Command Equipment

TCEU
Telemetry and Command Extension Unit

TCH
Transparent Circuit Handler

TCI
TSO Correction Interval

TCM
Trajectory Correction Maneuvers

TCP
Thruster Control Processor

TCRG
Trunk Circuit Relay Group

TCS
Technical Communications Support

TCTP
Test Abridged CTP

TCTS
Trans-Canada Telephone System (Canada)

TCU
Thruster Control Unit

TCW
Telemetry Control Word

TCXO
Temperature-Compensated/Controlled Crystal Oscillator

TD-PSK
Time-Differential Phase-Shift Keyed System

TDA
Terminal/Tunnel Diode Amplifier

TDB
Traffic Data Base

TDC
Telegraphy Data Channel

TDF
Broadcasting Satellite Network (France)

TDG
Transmit Data Gate

TDHS
Test Data Handling System

TDL
Tapped Delay Line

TDM
Time Division Multiplex

TDMA
Time Division Multiple Access

TDMA/DNI
Time Division Multiple Access without Digital Speech Interpolation

TDMA/DSI
Time Division Multiple Access with Digital Speech Interpolation

TDMS
Telegraph Distortion Measuring Set

TDP
Telemetry and Display Processors

TDR
Time Domain Reflectometer

TDRS
Tracking and Data Relay Satellite

TDRSS
Tracking and Data Relay Satellite System

TDS
Tracking and Data Acquisition Station

TDU
TDMA Diagnostic Unit

TE
Threshold Extension

TEAGEN
Telemetry Event and Alarm Generation Module

TEC
Total Electron Content

TECD
TDMA Equipment Configuration Data

TED
Telemetry Event Detection

TEL
Telephone

TELCOR
Instituto Nicaraguense de Telecomunicaciones y Correos (Nicaragua)

TELE-X
Experimental Satellite Network (Sweden)

TELECOM
Empresa Nacional de Telecomunicaciones de Colombia'

TELEDIREKTORATE
Telecommunications Administration (Norway)

TELESAT
Domestic Satellite (Canada)

TELESPAZIO
Societa per azioni per le comunicazioni spaziali (Italy)

TELEX
Switched Automatic Telegraph Subscriber Network

TEM
Transverse electric and magnetic mode

TEMP
Temperature

TERA OR TERRA
One trillion

TERLS
Thumba Equatorial Rocket Launching Center (India)

TERM
Termination

TESC
TDMA Engineering Service Circuits

TETTO
Toroidal Beam Telemetry Antenna

TEXTEL
Trinidad and Tobago External Telecommunications Co., Ltd.

TFA
Transmit Frame Acquisition

TFAS
Terminal Frame Acquisition and Synchronization

TFC
Traffic

TFD
Telemetry Field Descriptor

TFE
Thruster Firing Electronics

TFG
Transmit Frame Generation

TFG-DM
Telemetry Format Generator - Dwell Mode

TFG-NM
Telemetry Format Generator - Normal Mode

TFM
Tamed frequency modulation

TFR
Theoretical Final Route

TFS
Transmit Frame Synchronization

TFT
Thin Film Transistor

TFU
Timing and Frequency Unit

TG OR Tg
TG Task Group (CCIR)

TGF
Through Group Filter

TH
Transponder/Time Hopping

THD
Total Harmonic Distortion

THR
Thruster

TID
Travelling Ionospheric Disturbance

TIE
Trunk Interface Equipment

TIFF
Tagged Image File Format (computer graphics)

TIM
TDMA/Terrestrial Interface Module

TIP
Tracking Impact Prediction (DUS Satellite)

TIROS
Meteorological Satellite (USA)

TIRS
Thermal Infrared Scanner

TIU
Terrestrial Interface Unit

TIUPIL
Typical Information Use Per Individual

TLM
Telemetry

TLP
Transmission Level Point

TM
Telemetered

TM/TC
Telemetry/telecommand

TMATV
Time multiplex analog television

TMF
Test and maintenance facility

TMN
Network

TNIP
Terrestrial Network Interface Processor

TNS
TDMA network simulator

TOA
Time Of Arrival

TOC
Table of Coincidences

TOCC
Technical and Operational Control Center (UK)

TOD
Time of Date

TOIRS
Transfer Orbit Infrared Earth Sensor

TOJ
Telecommunications of Jamaica Ltd.

TOPS
Telemetry Operations

TOR
Telegraph on Radio

TORQ
Torque

TOS
Time Ordered System

TOSSA
Transfer Orbit Sun Sensor Assembly

TOT
Time of Transmission

TOVS
TIROS Operational Vertical Sounder

TP
Telemetry Processor

TPC
Transpacific Cable

TPD
Time Pulse Delay

TPL
Transmission Point Level

TPOD
Tripod

TPP
Telecommunication Preparatory Program

TPS
Therman Protection System

TPT
Transmission Path Translator

TRAD
Directional Telemetry Antenna

TRF
Tuned Radio Frequency

triac
Triode AC semiconductor switch

TRM
Transmit-Receive Module

TRMA
Time Randon Multiple Access

TRMS
TDMA reference and monitoring station

TRR
Test readiness review

TRT
Timing and Reference Transponder

TRU
Transponder Right of Use

TS
Telegraph Service (CCITT)

TSC
Technical Services Contractor

TSCM
Terminal Service Channel Monitor

TSDE
Time Source Digital Electronics

TSDS
Terminal Stripchart Display System

TSESC
Telegraph Engineering Service Circuit

TSF
Through Supergroup Filter

TSGF
Through Supergroup Filter

TSM
TDMA System Monitor

TSO
Time sharing option

TSP
Transmit Shift Pulse

TSPS
Traffic Service Positions System

TSS
Terminal Synchronization Support

TSSD
TDMA system status display

TSU
Tandem/Test/Telephone/Terminating Signal Unit

TT&C
Tracking Telemetry and Command

TT&R
Tracking, Telemetry and Ranging

TTB
Trunk Test Buffer

TTC OR TT&C
Tracking, Telemetry and Command

TTC&M
Tracking, Telemetry, Command and Monitoring

TTC&R
Tracking, Telemetry, Command and Ranging

TTF
Test Time Frame

TTG
Transmit Timing Generator

TTK
Time-To-Knee test

TTL, T 2L
Transistor-Transistor Logic

TTP
Trunk Test Panel

TTPB
Trunk Test Panel Buffer

TTS
TDMA/Traffic Terminal Simulator

TTY
Telegraphic teletype/teleprinter/teletypewriter (order wire)

TU
Transmission Unit

TURS
Timing unit redundancy selector

TUU
Transponder for Unrestricted Use

TV
Television (video and assigned audio)

TV-SAT
Satellite Network (Germany)

TV/FM
Frequency modulation television with associated audio FM-subcarrier

TVC
Thrust Vector Control

TVEC
Total Vertical Electron Content

TVI
Television Interference

TVRO
Television receive only Terminal

TVSC
Television Service Center

TVT
Television Typewriter

TW
Travelling wave

TWEB
Transcribed Weather Broadcast

TWERLE
Tropical Wind, Energy Conversion, Reference Level Experiment

TWT
Travelling Wave Tube

TWTA
Travelling Wave Tube Amplifier

TWX
Teletypewriter Exchange Service

TX
Transmitter

TX/RCU
Transmit/Receive Control Unit