Static corrections of radargrams can account for the tilt that the GPR antenna encounters on sites with topography. Radargrams that are topography‐tilt corrected, show that changes in the imaged locations of subsurface structures can be significant. The results of these corrections indicate that tilt corrections are necessary to improve the accuracy in imaging subsurface structures on sites with significant topographic changes.
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Goodman et al. (2006) studied this question.