beam - bloc
- beam
- beam aerial
- beam alignment
- beam angle
- beam antenna
- beam aperture
- beam axis
- beam current
- beam direction
- beam lead
- beam lobe switching
- beam positioning
- beam splitter
- beam store
- beam switching
- beam transmitter
- beam tube
- beam waveguide
- beam width
- beam-current modulation
- beam-power valve
- beam-switching tube
- bearer cable
- bearer channel
- bearer frequency
- bearer identification code
- bearing
- bearing deviation
- bearing error
- bearing plane
- bearing position
- bearing sense
- bearing sense switch
- beat
- beat amplitude
- beat frequency
- beat frequency oscillator
- beat reception
- beating
- beating oscillator
