Radar Beacon 1 : A radar system in which the object to be detected is fitted with cooperative equipment in the form of a radio receiver/transmitter (transponder)
Ilan Kelman (ed.), Vulnerability and Resilience Definitions and References, Version 2, 2007. http://www.islandvulnerability.org/docs/vulnres.pd f, (Vulnr and Resilience - Brit) {524}