- transient phenomenon
- transient response
- transient state
- transistor amplification
- transistor bias
- transistor collector
- transistor emitter
- transistor pair
- transistor saturation
- transit exchange
- transit share
- transition matrix
- translating stage
- translation frequency
- transmission antenna
- transmission characteristic
- transmission extension
- transmission medium
- transmission node
- transmission performance
- transmission spectrum
- transmission unit
- transmit end
- transmittance
- transmitted spectrum
- transmitter distortion
- transmitter separation
- transponder beacon
- transverse filter
- traveling object
- traveling waveguide
- travelling waveguide
- truncation noise
- trunk
- trunk cable
- trunk circuit
- trunk code
- tube face
- tube noise
- tube receiver
- tubular capacitor
- tunable laser
- tuned circuit
- tuning capacitor
- tuning condition
- tuning device
- tuning mechanism
- tuning stability
- tunnel emission
- tunneling mode
- tunnelling
- triangular noise
- tributary station
- trigger circuit
- trigger diode
- triggering signal
- tropospheric effects
- trouble shooting
- true attenuation
- true peak
- tristate logic
- trolleitte
- tropospheric
- true bearing
- truncating effect
- trunk call
- trunk junction
- trunk line
- trunk network
- trunk switching
- trust fund
- tube impedance
- tuition
- tunable magnetron
- tuned antenna
- tuner
- tuning indicator
- tuning instability
- tuning stub
- tunnelling mode
- turbo pause
- turbulence
- turbulent fluctuations
- turnaround
- turnaround time
- turnstile antenna
- type carrier
- type declaration
- type disk
- type wheel
- typer
- typographer
- Uda antenna
- ULSI circuit
- ultimate
- umbilical arm
- umbrella programme
- unary expression
- unbalanced system
- uncoded