Frequently Asked Questions

What is GPR?

  

Ground Penetrating Radar [GPR] is a non-destructive geophysical method that uses high frequency radio waves to see and image the subsurface. The high frequency radio waves are admitted into the subsurface. When the radio wave hits an object the variations in the reflected return signal is recorded. Our equipment relates this signal, time, distance and other factors to produce the targets. 

what needs to be done prior to scanning?

Prior to the appointment there are a few things that need to be complete.  The customer should have the area clean of debris, any framing allowing 6" past scan area in all directions, concrete clear of water.

how close can you drill to marks?

While GPR PROS, LLC cannot tell you where to drill or chip, we recommend a tolerance of an 1 1/2" from any mark.