by Peter Annan | Nov 15, 2018 | Ground Radar (GPR)
For many years, the myth that GPR does not work when the ground is wet has persisted. In the earliest days of GPR, one of the first things discovered was that the radio wave propagation velocity in the ground was strongly controlled by the volumetric water content....
by Peter Annan | Oct 16, 2018 | Ground Radar (GPR), Research
As a long-time observer of the GPR community, I have become concerned about the increase of unfounded or misleading ideas proliferating in our community. In my recent keynote talk at GPR 2018 entitled ‘GPR Unmentionables’, I alluded to some of these topics but by no...
by Sensoft | Jul 3, 2016 | Ground Radar (GPR)
“How deep can You see?” is the most common question asked of ground penetrating radar (GPR) vendors. While the physics is well known, most people new to GPR do not realize that there are fundamental physical limitations. Many people think GPR penetration is limited by...
by Sensoft | Jul 3, 2016 | Ground Radar (GPR)
How do I select a GPR frequency? Frequency selection is controlled by two survey requirements – exploration depth and resolution length, as shown in Figure 1. Resolution length indicates the ability to uniquely identify closely spaced targets. More details on...
