by Dan Bigman | Jun 23, 2020 | All Posts, Damage Prevention, Data Collection, Success Stories, Utility Locating
Rapid Multi-channel GPR Utility Locate Clients needed testing on an effective tool for rapidly locating, visualizing, utilities and other subsurface infrastructure, and creating professional deliverables Date: March, 2020 Project Type: Data acquisition and visual...
by bigmangeo_m821n6 | Jan 8, 2020 | All Posts, Data Management, Success Stories
Void Detection and Visualization Demo in Florida A client needed to update their visualization offerings and reached out to Bigman Geophysical for a demonstration. Date: November, 2019 Client: Terra, Inc. Project Type: Void Detection and Software Demonstration About...
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 bigmangeo_m821n6 | Dec 7, 2019 | All Posts, Data Management, Success Stories
Pipe Leak in Arkansas There was concern about a leaking pipe due to the reduction in water depth of a pond located at a senior living center. Benefits to the customer were, specialized expertise in data processing, rapid turn-around time, reduced cost of deliverable...
by bigmangeo_m821n6 | Dec 1, 2019 | All Posts, Data Management, Success Stories, Training
Bathymetric Survey in Denmark This GPR investigation was conducted to map the topography of the lake/stream bed and estimate the volume of the water prior to municipal planning Date: November 6, 2019 Client: Geopartner Project Type: GPR/Drone About this Project...
by Dan Bigman | Nov 25, 2019 | All Posts, Data Management, Field Support, Success Stories
Fort Stanwix Project The Fort Stanwix GPR survey was conducted in order to assist in the identification of possible structural remains for future PaloeWest excavations. Date: 12 April 2018 Client: PaleoWest Project Type: Ground Penetrating Radar About this Project...
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...
