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(GPR) pic # 1
Ground Penetrating Radar machine.
**It's primary use is to locate utilities, like
pipes and cables for the construction industry.
Works good at locating graves and often buried stones
Transmitts a weak radio frequency into the ground, then
listens for reflected energy, and timing the reflection to give depth.
Any changes in the ground, different surfaces will show as something.
This information is put on a video display to be interpreted by the operator.
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