See:

• Acoustic location: The general use of sound to locate objects
• Animal echolocation: animals emitting sound waves and listening to the echo in order to locate objects or navigate.
• Human echolocation: the use by blind people of sound to navigate.
• Sonar: (sound navigation and ranging) the use of sound to navigate or to locate other watercraft, usually by submarines.
• Echo sounding: listening to the echo of sound pulses to measure the distance to the bottom of the sea, a special case of Sonar.
• Medical ultrasonography: the use of ultrasound echos to look inside the body

See also:

• Radar: locating objects by detecting the echo of emitted radio waves
• Echolocation (album), an album by Fruit Bats

Echolokace | Echoortung | Ecolocalización | Écholocation | Echolocatie | Echolokacja