Underground Antenna IV is a high-end 3D live underground imaging system with VH9 technology developed by Ojo Radar Tech. With its 8-sensor structure, you can image man-made structures underground and ferromagnetic metals in real time. With its dual-function design that can be used both for underground imaging and as a gradiometer, it offers an excellent solution for professional users. It provides detailed analysis capability with its data recording feature in CSV format.