by Dan Bigman | Dec 19, 2019 | Data Collection, Limitations
Are gpr feasibility maps useful? I think they only have limited utility. These are generalized geological maps and do not take into account local variations on any given project site. Do your homework for each project and stop complaining that “gpr doesn’t...
by Dan Bigman | Dec 19, 2019 | Archaeology, Data Collection
It’s always helpful to begin with something you know when trying to find something that you don’t know. Using your ground penetrating radar to record information on a grave that is already marked will help you make interpretations in areas that don’t...
by Dan Bigman | Dec 19, 2019 | Data Collection, Limitations
Resolution can be defined in a number of ways. In this video I lay out a few of them. This video discusses both horizontql factors of resolution including step rate and transect interval, but also vertical resolution such as wave length and sampling rate.
by Dan Bigman | Dec 19, 2019 | Data Collection, Sensors
Whats the difference between a ground wave and a direct air wave? This question was submitted by one of our viewers. The direct air wave moves directly from the transmitter to the receiver. But, in ground coupled systems, some of the energy moves along or just below...
by Dan Bigman | Aug 14, 2019 | Concrete Scanning, Construction, Sensors
GPR is a great tool, but like any sensing technology, it has its limits. In this video I compare the ability of GPR and Ultrasonic Pulse Echo to identify the back of a slab and a 1mm delamination. As it is clear in the video, the GPR did a great job of identifying the...
