Air defence radar Full control of air space. Detects a wide class of air targets. Used in the air force and air defence control systems, as well as for air traffic control over civilian aircraft. "Gamma DE" (67N6E) is a mobile, solid-state, high-potential decimeter-range radar with phased antenna array working on medium and high altitudes. The radar is characterized by a large range and altitude of air targets detection, is fully automated and has a high ...