us Atlantic Subsurface Imaging - How GPR Works
   

GPR systems typically consist of three main parts: control unit, antenna, and power supply. The heart of the GPR system, the control unit, produces and regulates pulses of radar energy that the antenna sends into the ground. The control unit then records the time it takes each pulse to reflect back to the antenna and the signal strength of each pulse. It then stores this information into its internal memory where it can later be retrieved via computer and analyzed. The reflections recorded by the control unit are caused by differences in the electrical conduction properties between the material that the pulses are traveling through and the material that they are encountering.

Proper antenna selection is the key to the success of any GPR application. Antennas that emit lower frequencies are able to penetrate deeper into the ground than those that emit higher frequencies. This extra depth comes at the price of lower resolution. Higher frequency antennas are able to detect much smaller targets but can not penetrate as far into the ground. Atlantic Subsurface Imaging has a broad range of antennas to handle any GPR application.

All of this equipment would be useless without a reliable source of power, so Atlantic Subsurface Imaging uses high-capacity rechargeable batteries. Using battery-powered equipment allows us to scan any area without being limited by proximity to electricity. This is often vital, especially with new construction sites or large scanning areas.
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