DRBJ 11

The French DRBJ 11 (designated by its manufacturer as TRS 3501) is a multi-function, phased-array radar capable of three-dimensional air search and target designation. It performs aerial surveillance, monopulse three-dimensional target-tracking, and forms part of a naval tactical data analysis syst em.

The circular radar surface, approximately 9 ft 10 in (3.0 m), holds 1,000-1,500 separate elements that act both as emitters and as receivers. Each element has its own diode phase...