THURN Group supply a range of scanning and survey equipment for use in ports, harbours and other costal water industries to help you map and inspect underwater structures.
The PolyNav 2000S is a top of the line ultra-high-performance, GNSS aided MEMS Inertial Navigation System (INS) designed and built by PolyExplore Inc. The quad-constellation, dual antenna system features dual-frequency RTK with a centimeter-level accuracy