4 ft above water Laser Beam centroid from 16.4 miles observed from 6 inches above water. Globe model predicts lowest height above water the laser should be visible equals 161 ft above the water.
4 ft above water Laser Beam centroid from 16.4 miles observed from 6 inches above water. Globe model predicts lowest height above water the laser should be visible equals 161 ft above the water.