How Ground Penetrating Radar (GRP) Works

Image Courtesy of

At Advanced Underground Imaging Services, we use a technology called Ground Penetrating Radar, or GPR, for a multitude of applications, including:

  • Utility Detection – Metallic and Non-Metalic
  • Environmental Assessment
  • Damage Prevention
  • Geological Investigation
  • Turf Assessment
  • Archaeology
  • Forensics
  • Road Inspection

A Brief History of GPR

The science of GPR has been around since the early 1900s, with the first patent filed in 1910. Since that time, scientific advances and military research have developed GPR into a valuable tool for identifying and learning about objects underground.

How GPR Signals Work

A non-destructive alternative to digging, GPR uses electromagnetic radiation to detect and reflect signals from objects hidden underground. A transmitter emits the electromagnetic energy into the ground, and when the waves detect a boundary between materials with differing resistance to the waves it is sent back to the receiving antennae. The antennae interprets the changes in image form. The size and depth of the underground object is identified and can then be studied or accommodated.

At Advanced Underground Imaging Services, we use the latest handheld electromagnetic induction technology and ground penetrating radar to ensure total accuracy. Call us today to use ground penetrating radar technology to find geological and utility subsurface targets in Twin Falls and Idaho quickly.