- Q?How deep can GPR go?
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A.
Location and depth accuracy of the subsurface material and objects is based on the determination of the material and selection of antenna. High frequency antennas (1000 MHz) gives us high resolution data but on a smaller depth (<1m). Deeper penetrations requires lower frequency antennas, so the depth range can be from a few centimeters to 10-15 meters. Check Penetration depth chart here.