From Citizendium, the Citizens' Compendium
Jump to: navigation, search
This article is developing and not approved.
Main Article
Related Articles  [?]
Bibliography  [?]
External Links  [?]
Citable Version  [?]
A definition or brief description of Transponder.

A device, used in navigation, air traffic control, Safety of Life at Sea, and military operations (e.g., Identification-friend-or-foe which, when interrogated by an appropriate radio or radar signal, replies with its identification and other relevant navigation data