Help articles

Yes, it is possible to find concrete slabs or pile decks in a road construction, with the help of GPR…

Yes, GPR can be used to investigate road layers. Most often you would use a combination of several different antenna…

One of the most common causes of poor readings in resistivity survey is poor electrical contact at the electrodes which…

CMP stands for Common Mid-Point, a simple sounding to measure the GPR velocity in the ground or in other materials….

WARR stand for Wide Angle Reflection and Refraction, a technique to measure the GPR velocity in the ground or in…

GPR is nowadays regarded as a standard method for road maintenance work in most areas of the world. It is…

The bandwidth for an impulse, ground penetrating, radar system is defined as the frequency span between the two points where…

In geophysics we often refer to “half-space” when talking about survey methods and theory. But what is it? Consider that…

Resistivity is an intrinsic electrical property of a given material, defining how it resists the flow of electrical current. The…

When we use a set of electrodes to measure resistivity, what we actually record in the field is an apparent…