Italian ground radar specialist IDS has developed two radar systems to detect and map underground utilities.
The RIS 2K-MF is equipped with an array of multi-frequency antennae which allow high resolution surveys. An 'elaboration unit' includes software which is capable of working within the CAD environment to display radar and tomographic maps, and the system is also able to produce ground classification by analysing 64 different parameters relating to the propagation of the radar signal through the soil.
Three macro classes of material can be distinguished by the system: material that can be drilled through with ease, such as clay, sand and silt; material that can be drilled with some difficulty such as clay with gravel, marls and gravel; and material that can only be perforated using special techniques and apparatus, such as coarse gravel and rock.
The second system developed by IDS is the RIS 2K-S which can provide a 3D view of the ground. It uses three 400MHz antennae operating in both monostatic and bistatic modes to give information about existing utilities and can survey to depths in excess of 2m, depending on ground characteristics.