Ultrasonic Pulse Echo refers to the use of ultrasound, and that is the pitch of a higher seem undetected from the human ear. Ultrasonic Pulse Echo is carried out by transmitting ultrasound waves towards the area, which might be recorded and interpreted to reconstruct an image applying tomographic imaging algorithms. https://maps.google.com.do/url?q=https://www.bessutilitysolutions.com/services/gpr-concrete-scanning/