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Ground Penetrating Radar
FAQs
What is GPR?
Ground penetrating radar operates by transmitting hi-frequency EM (electro-magnetic) pulse energy into the ground or concrete via an antenna, much like a fish finder on a boat.
How Does GPR Work?
When the GPR signal is reflected back to the antenna by materials with contrasting electrical (dielectric and conductivity) and physical properties, the user can analyze the reflected signals and can then pinpoint important targets or areas of concern.
Is GPR Harmful?
Ground penetrating causes no harm to the operator or anyone in the area. The output is approximately 1 1/100th the power of a cell phone, or 1% the power of a cell phone. Ask if the GPR is FCC certified.
How accurate is GPR?
GPR is very accurate. The accuracy of GPR is solely a by product of user set-up and interpretation.
Is GPR like Concrete X-Ray?
GPR is not concrete radiography. Radiography is dangerous, time consuming, and costly.
See comparison chart.
 Photo Courtesy of GSSI Keywords
(Keyword – Definition)
| Locate Rebar |
GPR can locate rebar inside concrete |
| Locate Conduit |
GPR can locate conduit inside concrete |
| Locate Post Tension Cables |
GPR can locate post tension (PT Cables) inside concrete |
| Locate Pre Stressed Cables |
GPR can locate pre stressed cables inside concrete |
| Locate Voids In Concrete |
GPR can locate voids inside concrete & below concrete |
| Locate Deterioration |
GPR can locate deterioration inside concrete |
| Locate Plastic Pipe |
GPR can locate plastic pipes inside concrete & below concrete |
| Locate Steel Pipe |
GPR can locate steel pipes in the soil |
| Locate Iron Pipe |
GPR can locate iron pipes in the soil |
| Locate Clay Pipe |
GPR can locate clay pipes in the soil |
| Locate Gas Lines |
GPR can locate gas lines pipes in the soil |
| Locate Sewer Lines |
GPR can locate sewer GPR can locate pipes in the soil |
| Locate Tunnels |
GPR can locate tunnels in the soil |
| Locate Sink Holes |
GPR can locate sinkholes in the soil |
| Locate Storage Tanks |
GPR can locate storage tank (UST) in the soil |
| Locate Graves |
GPR can locate graves & bodies in the soil |
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