Ground penetrating radar apparatus; instrumentation, namely, transducers, electronic circuitry, embedded and post data acquisition imaging software for inspection of concrete, asphalt and other building materials to determine the construction attributes, presence of flaws, location of embedded objects such as wires, conduits, rebar, post tension cables and similar items, and material layer thickness; signal processing technology comprising of hardware and software used in ground penetrating radar systems that allows dynamic adjustment of ground penetrating radar sensitivity applied in a wide range of subsurface sensing applications to enhance the measured data by providing dynamic reduction in ambient noise; mobile ground penetrating radar system for three-dimensional imaging, detection, location, and mapping of subsurface structures, consisting of non-metallic wheeled platform for manually transporting ground penetrating geophysical radar sensors, integrated odometer, power supply, control computer/display device and ancillary items over the ground surface; subsurface imaging instruments used for subsurface detection, water content determination, material property monitoring, rock mechanics and building structure monitoring and failure detection, cable failure detection, level detection, plus parts therefore, namely, transmitters, receivers, antennas, transducers, signal processors, signal displays, and signal processing software for data filtering and enhancing and controlling instrument operation; subsurface detecting, delineating and profiling systems and constituent parts thereof;, namely, transmitters, transducers, antennas, signal processors, signal recorders and displays and computer software; equipment used for determining snow depth, thickness, quality or water content, namely, associated software and computer; spatial positioning technology used for creating maps of snow depth, thickness, quality or water content, namely, transmitters, receivers, antennas, time reflectometry transducers, signal processors, computers, signal processing, display software and satellite global positioning systems(GPS) inertial and doppler positioning instruments used for navigation; software used for displaying three-dimensional radar data, sonic acoustic electromagnetic data or any other type of data of similar format in chart form using color or grey level to indicate the third dimension, the data having been acquired by instruments used to map buried objects such as pipes and cables, soil layers, water depth, and audio signal frequency strengths versus time