Patent ID: 9097538
Filing Date: 2015-08-04
Classification: G01C,G01S

Abstract:
1. A rover comprising: a. a frame; b. a motor mounted to said frame; c. at least one driven wheel pivotally engaged with said frame, wherein said at least one driven wheel is in mechanical communication with said motor; d. at least one yoke pivotally attached to said frame about a generally vertical axis; e. at least one sensor wheel pivotally attached to said at least one yoke about a generally horizontal axis, wherein said at least one sensor wheel is passive and not in communication with any power source; f. at least one sensor attached to said frame; g. at least one GPS receiver attached to said frame, wherein the relative position among the center of said at least one sensor wheel, at least one sensor, and said at least one GPS receiver is fixed, such that said at least one sensor wheel communicates changes in elevation of a ground surface to said at least one GPS receiver when said at least one sensor wheel traverses said ground surface.