navigation acronyms, abbreviations and definitions - International ...

TEM transmission electron microscope
TEMPO temporarily (met)
TEN Trans-European (Transport) Networks (EU)
TERCOM terrain contour matching (navigation technique)
TERNAV terrain-referenced navigation
TERPS Terminal Instrument Procedures
TETRA Trans European Trunked Radio Access
ETSI standard for mobile radio used by fleets of vehicles such as
emergency services. Combines functions of digital mobile phones, PMR
radio systems and mobile data. Uses 410-430 MHz. UK system known
as Dolphin. TETRA2 is an upgrade.
TEU twenty-foot equivalent unit (container)
TF terrain following
TF track to a fix
TFE timing and frequency equipment
TFJS Tactical Field Jamming System (GPS - US)
TfL Transport for London
TFM traffic flow management
TFOM time figure of merit
TFR temporary flight restriction (US)
TFR terrain following radar
TFS time and frequency solution
TFT thin film transistor
TFT-LCD thin film transistor liquid crystal display
Tgd estimated group delay differential
TGI Tide Gauge Inspectorate (UK Tide Gauge Network)
TGL Temporary Guidance Leaflet (JAA)
TGRS Translated GPS Range System
TH Trinity House (Corporation of Trinity House, London)
Covers England, Wales, Channel Islands and Gibraltar.
TH true heading
Actual direction in which the longitudinal axis (of the ship) is pointed,
defined by the angle between the meridian through its position and the
fore-and-aft line (of the ship), expressed in angular units from true
north (000º).
TH-UWB time-hopping UWB
THD transmitting heading device
Thermosphere Part of atmosphere from ~ 85-120 km
THLS Trinity House Lighthouse Service (Corporation of Trinity House)
Covers England, Wales, Channel Islands and Gibraltar.
THUCC Trinity House User Consultative Committee
THUM relative humidity
TIA US Telecomms Standards Institute (equiv of Europe’s ETSI)
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