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How Deep Can Ground Penetrating Radar See?

How far can ground penetrating radar go? The depth of ground penetrating radar depends on the application. For concrete scanning, the radar used can typically penetrate depths of 18-24”. For private utility locating needs on grass, soil, asphalt, or concrete the type of antenna used can penetrate up to 8′.

How Deep Can Ground Penetrating Radar See?

Ground penetrating radar (GPR) is a powerful tool used to investigate the subsurface of the Earth. With the help of this technology, engineers, geologists, and archaeologists have been able to map out a wide range of hidden objects and structures beneath the ground. But how deep can GPR actually see?

GPR works by sending out a radar signal that reflects off objects located within the ground. The reflected signal is then received and analyzed, allowing researchers to get an idea of what lies beneath the surface. But the depth of the radar’s detection depends on several factors, including the type of radar used and the type of ground material.

For example, GPR works best in soil and rock formations that have uniform electrical properties, such as sand or clay. In these cases, GPR can penetrate up to 50 meters or more in depth. However, in highly resistive materials such as limestone, GPR can only penetrate up to about 15 meters.

In addition to the type of ground material, the frequency of the radar signal can also affect the penetrative depth. Higher frequency signals, from 0.2 GHz to 3 GHz, can achieve greater depths, while lower frequency signals, from 30 MHz to 0.2 GHz

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