Oct 2019 Laser Measure Frame Grab Notes P. McGill 13Jan20 1 & 2: ~1 m ROV altitude, zoom set as for transects 3 & 4: ~1 m ROV altitude, zoomed out 5 & 6: 2 m ROV altitude, zoomed out identical to 3 & 4 7 & 8: 2 m ROV altitude, zoomed in but not identical to 1 & 2 9 & 10: 2 m ROV altitude, zoomed way out