GPR is a diverse technique that is often part of many multi-technique projects. With a wide variety of antennas that can target different depths, let it discover what you’re looking for today.
Ground Penetrating Radar (GPR) is a non-destructive and non-invasive geophysical technique for rapidly imaging the shallow subsurface and producing high-resolution colour sections in real-time. The method works by transmitting electromagnetic energy into the material being tested (usually the ground). Typically 100,000 impulses per second art transmitted which are of very short duration and contain a broad spectrum of frequencies.
The transmitted electromagnetic energy propagates through the subsurface as a function of the subsurface material’s electrical properties which are in turn dependent on its physical and chemical properties. Reflection of radar energy occurs at boundaries between differing stratigraphic layers of inclusions which have contrasting electrical properties. conversely, no reflections occur from a homogeneous material where there are no internal reflections. The reflections are detected by the receiving antenna placed adjacent to the transmitter. The depth to the target is proportional to the time (in nanoseconds) taken for the signal to travel from the transmitting antenna at the surface to the target and back to the receiver.
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GBG investigates a wide range of structures from historically significant buildings to small private residences.
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