NOT KNOWN FACTUAL STATEMENTS ABOUT HYDROGRAPHIC SURVEY

. The LiDAR employs light pulses to analyze The underside of a seabed. Utilizing lasers, a 3D graphic of your ocean’s topography is usually rendered. It is often utilized for dredging measurements and to correctly place underwater pipelines.NOAA makes use of USCG-maintained differential GPS beacons to Increase the accuracy of posture measurements