The GSR-3D ground imaging system of Geostructural Seismic Research Inc. is a complete 3D distributed digital seismic ground imaging system designed for engineers. GSR 3D tomography imaging and analysis software allows engineers to acquire data and produce accurate 3D images of the subsurface in near real-time. The GSR system can be used to map bedrock, underground geologic structures, landfills,
abandoned wells, and a lot more. ... http://gsr-us.com (more info) (less info)
There is no special requirement for the plate. The one used here was about 8.5 inch for each side. It is user's choice to use a bigger or smaller one for easy to carry and hit on.
GSR3DUS 1 year ago