 Based on the same electronics as the Type 277/276, the Type 293 used a new antenna design intended to cover the area above the ship to provide air warning instead of surface search.Stabilised "cheese" antenna, diameter in outfit AUR, upgraded to in Type 293P (replaced all Type 293 and Type 276 sets) and to in Type 293Q.The Precision Ranging Panel (PRP) was an electromechanical transmission and calculating system.