navigation acronyms, abbreviations and definitions - International ...

Trafficmaster System that collects road traffic flows and disseminates them (UK)
Covers all UK major motorways and most A roads. Expanded into
continental Europe from 2001.
TRAN Committee on Transport and Tourism (European Parliament)
TRAN Terrestrial Regional Augmentation Network (EGNOS)
Transit discarded US navigation satellite system
TRANSSC Transport Safety Standards Committee (IAEA)
TRB Test Review Board (EGNOS)
TRB Transportation Research Board
TREN (Directorate General) TRansport and ENergy (EC - now MOVE)
TRIDENT EC project on data sharing for public transport information systems
trk track
trkg tracking
TRL Transport Research Laboratory (UK)
TRN terrain-referenced navigation
TROPIC Traffic Optimisation by the Integration of Information & Control
TRP Technology Research Programme (ESA)
TRS Terrestrial Reference System
TRS Testbed Reference Station (GRAS)
TRSB time-referenced scanning beam
TRUCE Training for Unusual Circumstances and Emergencies (CAA)
true position The error-free latitude and longitude (2D) and height (3D) coordinates
in a specified geodetic datum (IMO).
TS thunderstorm (met)
TS Tracking Station (GPS)
TSA target speed across track
TSA Transport Security Administration (US)
TSAS Terminal Surveillance & Approach System (air)
TSB Technology Strategy Board (UK)
TSCPTS Traffic Signal Controller Performance Test System (UK DTLR)
TSCU touch screen control unit
TSD traffic situation display (ADS-B)
TSE total system error (also TNSE = total navigation system error)
TSG timing signal generator
Tsikada Original Russian GNSS, replaced by GLONASS
TSL target speed along track
TSL total signal loss (eg of GPS)
TSL/RD total signal loss / route duration (% of route time that signal lost)
TSO Technical Standard Order (US - air)
TSO Technical Standard Order (US FAA or JAA as JTSO)
TSO C-129a covers certified avionics receivers.
TSPI time, space and position information
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