The RTP-300 Real Time Profiler collects surface data up to highway speeds and creates an exact model of an existing road, bridge, or airport surface—all with millimeter-level accuracy. Portable and lightweight, it can be installed in minutes onto any vehicle with a trailer hitch. The Data Collection System includes a Topcon GNSS System, Laser Profilers, Wheel Encoder, and a Panasonic Toughbook with RTP software. Topcon Positioning Systems. 925-245-8300.