by Peter Annan | Dec 4, 2018 | GPR Regulation, Ground Radar (GPR), Recent
GPR is one of the few geophysical technologies that is subject to heavy regulation. We are fortunate even to be able to have GPR systems to use at this time. Given the starting point and the weight of objection that first appeared about 20 years ago, we are indeed...
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...
