List of abbreviations: T

TACAN Tactical Air Navigation System
TACS Total Access Communications System
TAG Technical Advisory Group
TAI Temps Atomique International
TAPC Terrestrial Aeronautical Public Correspondence = TFTS
T-DAB Terrestrial Digital Audio Broadcasting
TBR Technical Base for Regulation (ETSI)
TCAM Telecommunications Conformity Assessment and Market Surveillance Committee (EC)
TDD Time Division Duplex
TDF Télédiffusion de France (F)
TDM Time Division Multiplex
TDMA Time Division Multiple Access
TDRS Tracking and Data Relay Satellite
TDRSS Tracking and Data Relay Satellite System
TDWR Terminal Doppler Weather Radar
TEDS TETRA Enhanced Data Service
TETRA Trans European Trunked Radio
TETRAPOL A PMR technology
TFTS Terrestrial Flight Telephone System (= APC)
TG Task Group (ITU)
TIA Telecommunication Industry Association (USA)
TICT Transport Information and Control systems
TLSI Tracing Lost and Stolen Items
TMN Telecommunication Management Network (ITU)
TMO Trunked Mode Operation
TOVS TIROS Operational Vertical Sounder (NOAA)
TPC Transmitter Power Control
TRRL Tactical Radio Link
TSAG Technical Standardization Advisory Group (ITU)
TSLI Tracing Stolen and Lost Items
TTC Tracking, telemetry, and command
TV TeleVision
TWIM Terrestrial Wireless Interactive Multimedia applications
TWTA Travelling Wave Tube Amplifiers