Proceq GP8800 and GP8100 GPRs have wheels and a certain clearance from the surface. If the wheels can move over the surface the GPR can collect...

Proceq GP8800 and GP8100 GPRs have wheels and a certain clearance from the surface. If the wheels can move over the surface the GPR can collect data. Moving over conductive materials, e.g., aluminum, copper etc. can limit or even zero the depth penetration of your antenna.