absurveying_riegl_vux1_lasview_error_01_color_by_return Published April 9, 2018 at 1040 × 807 in Removing Low Noise from RIEGL’s VUX-1 UAV LiDAR flown in the Philippines ← Previous Next → There is clearly an issue in this file. On an open beach we have returns above and below the sand.