 The L-band and UHF radars, which shared a common antenna, permitted observation of the target by illumination to supplement the C-band.The AN/FPS-12 radar permitted surveillance of the general vicinity of the DAMP ship as well as vectoring of aircraft which may be assigned to the ship.The telemetry acquisition system was a passive acquisition aid operated on the interfereometer principle which gives angular position of the target relative to the ship.