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Rapid Multi-channel GPR Utility Locate with IDS Stream C

Rapid Multi-channel GPR Utility Locate with IDS Stream C

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...
Void Detection and Visualization Demo in Florida

Void Detection and Visualization Demo in Florida

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...

Are GPR feasibility maps useful? One man’s opinion. | ground penetrating radar

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...

Start with Marked Graves – a gpr lesson from a cemetery | ground penetrating radar

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...

Understanding Resolution of GPR | ground penetrating radar

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.

GPR ground wave vs direct air wave | ground penetrating radar

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...
Pipe Leak in Arkansas

Pipe Leak in Arkansas

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...
Bathymetric Survey in Denmark

Bathymetric Survey in Denmark

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...
Fort Stanwix Historic Site

Fort Stanwix Historic Site

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...

On the limits of GPR for Structural Assessments | A Comparison of Ultra-sonic pulse echo and GPR

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...
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Recent Posts

  • Rapid Multi-channel GPR Utility Locate with IDS Stream C
  • Void Detection and Visualization Demo in Florida
  • Are GPR feasibility maps useful? One man’s opinion. | ground penetrating radar
  • Start with Marked Graves – a gpr lesson from a cemetery | ground penetrating radar
  • Understanding Resolution of GPR | ground penetrating radar

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