(DoD, NATO) Operationally, a type of message, the text of which consists of one or more letters, words, characters, signal flags, visual displays, or special sounds with prearranged meaning, and which is conveyed or transmitted by visual, acoustical, or electrical means.
(DoD, NATO) As applied to electronics, any transmitted electrical impulse.
(DoD, NATO) As applied to electronics, any transmitted electrical impulse.
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
| APA | Military Dictionary (DoD). (2011). signal. Retrieved September 25, 2026, from http://smartdefine.org/signal/definitions/1963978 |
| Chicago | Military Dictionary (DoD). 2011. "signal" http://smartdefine.org/signal/definitions/1963978 (accessed September 25, 2026). |
| Harvard | Military Dictionary (DoD) 2011, signal, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/signal/definitions/1963978>. |
| MLA | Military Dictionary (DoD). "signal" 4 April 2011. Web. 25 September 2026. <http://smartdefine.org/signal/definitions/1963978> |