- voice call sign by Military Dictionary (DoD)
... DoD, NATO) A call sign provided primarily for voice communication. See also call sign.
- visual call sign by Military Dictionary (DoD)
... DoD, NATO) A call sign provided primarily for visual signaling. See also call sign.
- call letters by Camila Flowers
... including numerals, assigned to radio and television stations by the Federal Communications Commission and other regulatory authorities throughout the world. Also known as call sign.
- net call sign by Military Dictionary (DoD)
... DoD, NATO) A call sign which represents all stations within a net. See also call sign.
- indefinite call sign by Military Dictionary (DoD)
... DoD, NATO) A call sign which does not represent a specific facility, command, authority, activity, or unit, but which may represent any one or any group of these. See also call sign.