Historically, the vast majority of GPR instruments which were used commercially output data
which were processed, interpreted, and presented in a report format, regardless of the application.
As GPR manufacturers sought to widen acceptance of the technology and appeal to nongeophysicists, the concept of site mark-outs, whereby the GPR is used to mark-out targets in the
field (usually with spray paint) became commonplace. Indeed, the acquisition software and
dataloggers for the GPR systems now contain sufficient processing and interpretation power to
allow an on-site evaluation of both 2D and 3D data.
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