(DoD, NATO) Any combination of characters or pronounceable words, which identifies a communication facility, a command, an authority, an activity, or a unit; used primarily for establishing and maintaining communications. Also called CS. See also collective call sign; indefinite call sign; international call sign; net call sign; tactical call sign; visual call sign; voice call sign.
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
| APA | Military Dictionary (DoD). (2011). Call Sign. Retrieved September 20, 2026, from http://smartdefine.org/call_sign/definitions/1960663 |
| Chicago | Military Dictionary (DoD). 2011. "Call Sign" http://smartdefine.org/call_sign/definitions/1960663 (accessed September 20, 2026). |
| Harvard | Military Dictionary (DoD) 2011, Call Sign, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/call_sign/definitions/1960663>. |
| MLA | Military Dictionary (DoD). "Call Sign" 4 April 2011. Web. 20 September 2026. <http://smartdefine.org/call_sign/definitions/1960663> |