Air Route Surveillance Radar (ARSR) 2 : A long-range radar (approximately 150 miles) used by Air Route Traffic Control Center personnel to control air traffic along the airways between terminals
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}