TABLE 14 Dip of the Sea Short of the Horizon Height of eye above the sea, in feet and (meters) Distance Miles 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0 682 TABLE 14 Dip of the Sea Short of the Horizon (1.5) 10 (3.0) 15 (4.6) 20 (6.1) 25 (7.6) 30 (9.1) ′ 14.2 9.6 7.2 5.9 5.0 4.3 3.9 3.5 3.2 3.0 2.9 2.7 2.6 2.5 2.4 2.4 2.3 2.3 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 ′ 28.4 19.0 14.3 11.5 9.7 8.4 7.4 6.7 6.1 5.6 5.2 4.9 4.6 4.4 4.2 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.4 3.3 3.3 3.2 3.2 3.2 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 ′ 42.5 28.4 21.4 17.2 14.4 12.4 10.9 9.8 8.9 8.2 7.6 7.1 6.6 6.3 6.0 5.7 5.5 5.3 5.1 4.9 4.8 4.6 4.5 4.4 4.3 4.3 4.2 4.1 4.1 4.0 4.0 3.9 3.9 3.9 3.9 3.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 ′ 56.7 37.8 28.5 22.8 19.1 16.5 14.5 12.9 11.7 10.7 9.9 9.2 8.7 8.2 7.7 7.4 7.0 6.7 6.5 6.3 6.1 5.9 5.7 5.6 5.4 5.3 5.2 5.1 5.0 4.9 4.9 4.8 4.7 4.7 4.6 4.6 4.6 4.5 4.5 4.5 4.4 4.4 4.4 4.4 4.4 4.4 4.4 4.3 4.3 4.3 4.3 4.3 4.3 4.3 4.3 4.3 4.3 4.3 4.3 ′ 70.8 47.3 35.5 28.5 23.8 20.5 18.0 16.1 14.6 13.3 12.3 11.4 10.7 10.1 9.5 9.0 8.6 8.2 7.9 7.6 7.3 7.1 6.9 6.7 6.5 6.4 6.2 6.1 6.0 5.9 5.8 5.7 5.6 5.5 5.4 5.4 5.3 5.2 5.2 5.2 5.1 5.1 5.0 5.0 5.0 5.0 4.9 4.9 4.9 4.9 4.9 4.9 4.9 4.9 4.9 4.9 4.9 4.9 4.9 ′ 84.9 56.7 42.6 34.2 28.5 24.5 21.5 19.2 17.4 15.9 14.6 13.6 12.7 11.9 11.3 10.7 10.2 9.7 9.3 9.0 8.6 8.3 8.1 7.8 7.6 7.4 7.2 7.1 6.9 6.8 6.6 6.5 6.4 6.3 6.2 6.1 6.0 6.0 5.9 5.8 5.8 5.7 5.7 5.6 5.6 5.6 5.5 5.5 5.5 5.4 5.3 5.3 5.3 5.3 5.3 5.3 5.3 5.3 5.3 35 (10.7) ′ 99.1 66.1 49.7 39.8 33.3 28.6 25.1 22.4 20.2 18.5 17.0 15.8 14.7 13.8 13.0 12.4 11.7 11.2 10.7 10.3 9.9 9.6 9.2 9.0 8.7 8.5 8.2 8.0 7.8 7.7 7.5 7.4 7.2 7.1 7.0 6.9 6.8 6.7 6.6 6.5 6.5 6.4 6.3 6.3 6.2 6.2 6.1 6.1 6.0 5.9 5.8 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 40 (12.2) ′ 113.2 75.6 56.7 45.5 38.0 32.6 28.6 25.5 23.0 21.0 19.4 17.9 16.7 15.7 14.8 14.0 13.3 12.7 12.1 11.7 11.2 10.8 10.4 10.1 9.8 9.5 9.2 9.0 8.8 8.6 8.4 8.2 8.1 7.9 7.8 7.7 7.5 7.4 7.3 7.2 7.1 7.1 7.0 6.9 6.8 6.8 6.7 6.7 6.6 6.4 6.3 6.2 6.1 6.1 6.1 6.1 6.1 6.1 6.1 Height of eye above the sea, in feet and (meters) 45 (13.7) ′ 127.3 85.0 63.8 51.1 42.7 36.7 32.2 28.7 25.9 23.6 21.7 20.1 18.8 17.6 16.6 15.7 14.9 14.2 13.6 13.0 12.5 12.0 11.6 11.2 10.9 10.6 10.3 10.0 9.7 9.5 9.3 9.1 8.9 8.7 8.6 8.4 8.3 8.2 8.0 7.9 7.8 7.7 7.6 7.5 7.4 7.4 7.3 7.2 7.2 6.9 6.7 6.6 6.5 6.5 6.5 6.5 6.5 6.5 6.5 50 (15.2) ′ 141.5 94.4 70.9 56.8 47.4 40.7 35.7 31.8 28.7 26.2 24.1 22.3 20.8 19.5 18.3 17.3 16.5 15.7 15.0 14.3 13.8 13.3 12.8 12.4 12.0 11.6 11.3 11.0 10.7 10.4 10.2 9.9 9.7 9.5 9.4 9.2 9.0 8.9 8.7 8.6 8.5 8.4 8.3 8.2 8.1 8.0 7.9 7.8 7.7 7.4 7.2 7.1 7.0 6.9 6.9 6.9 6.9 6.9 6.9 Distance Distance Miles Miles 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0 55 (16.8) ′ 155.6 103.8 77.9 62.4 52.1 44.7 39.2 34.9 31.5 28.7 26.4 24.5 22.8 21.4 20.1 19.0 18.0 17.2 16.4 15.7 15.1 14.5 14.0 13.5 13.0 12.6 12.3 11.9 11.6 11.3 11.1 10.8 10.6 10.3 10.1 9.9 9.8 9.6 9.4 9.3 9.2 9.0 8.9 8.8 8.7 8.6 8.5 8.4 8.3 7.9 7.7 7.5 7.4 7.3 7.2 7.2 7.2 7.2 7.2 60 (18.3) ′ 169.7 113.3 85.0 68.1 56.8 48.8 42.8 38.1 34.4 31.3 28.8 26.7 24.8 23.3 21.9 20.7 19.6 18.7 17.8 17.0 16.3 15.7 15.1 14.6 14.1 13.7 13.3 12.9 12.6 12.2 11.9 11.7 11.4 11.2 10.9 10.7 10.5 10.3 10.1 10.0 9.8 9.7 9.5 9.4 9.3 9.2 9.1 9.0 8.9 8.5 8.2 7.9 7.8 7.6 7.6 7.5 7.5 7.5 7.5 65 (19.8) ′ 183.3 122.7 92.1 73.8 61.5 52.8 46.3 41.2 37.2 33.9 31.1 28.8 26.8 25.1 23.6 22.3 21.2 20.1 19.2 18.4 17.6 16.9 16.3 15.8 15.2 14.7 14.3 13.9 13.5 13.2 12.8 12.5 12.2 12.0 11.7 11.5 11.3 11.1 10.9 10.7 10.5 10.3 10.2 10.0 9.9 9.8 9.7 9.5 9.4 9.0 8.6 8.4 8.2 8.0 7.9 7.9 7.8 7.8 7.8 70 (21.3) ′ 197.9 132.1 99.2 79.4 66.3 56.9 49.8 44.4 40.0 36.5 33.5 31.0 28.9 27.0 25.4 24.0 22.8 21.6 20.6 19.7 18.9 18.2 17.5 16.9 16.3 15.8 15.3 14.9 14.4 14.1 13.7 13.4 13.1 12.8 12.5 12.2 12.0 11.8 11.6 11.4 11.2 11.0 10.8 10.7 10.5 10.4 10.2 10.1 10.0 9.5 9.1 8.8 8.6 8.4 8.3 8.2 8.1 8.1 8.1 75 (22.9) ′ 212.0 141.6 106.2 85.1 71.0 60.9 53.4 47.5 42.8 39.0 35.9 33.2 30.9 28.9 27.2 25.7 24.3 23.1 22.0 21.1 20.2 19.4 18.7 18.0 17.4 16.8 16.3 15.8 15.4 15.0 14.6 14.2 13.9 13.6 13.3 13.0 12.7 12.5 12.3 12.1 11.8 11.7 11.5 11.3 11.1 11.0 10.8 10.7 10.6 10.0 9.6 9.2 9.0 8.8 8.6 8.5 8.5 8.4 8.4 80 (24.4) ′ 226.1 151.0 113.3 90.7 75.7 64.9 56.9 50.7 45.7 41.6 38.2 35.4 32.9 30.8 29.0 27.3 25.9 24.6 23.5 22.4 21.5 20.6 19.9 19.1 18.5 17.9 17.3 16.8 16.3 15.9 15.5 15.1 14.7 14.4 14.1 13.8 13.5 13.2 13.0 12.7 12.5 12.3 12.1 11.9 11.8 11.6 11.4 11.3 11.1 10.5 10.0 9.7 9.4 9.2 9.0 8.9 8.8 8.7 8.7 85 (25.9) ′ 240.2 160.4 120.3 96.4 80.4 69.0 60.4 53.8 48.5 44.2 40.6 37.5 34.9 32.7 30.7 29.0 27.5 26.1 24.9 23.8 22.8 21.9 21.0 20.3 19.6 18.9 18.3 17.8 17.3 16.8 16.4 15.9 15.6 15.2 14.9 14.5 14.2 14.0 13.7 13.4 13.2 13.0 12.8 12.6 12.4 12.2 12.0 11.9 11.7 11.0 10.5 10.1 9.8 9.5 9.3 9.2 9.1 9.0 9.0 90 (27.4) ′ 254.2 169.9 127.4 102.0 85.1 73.0 64.0 56.9 51.3 46.7 42.9 39.7 37.0 34.6 32.5 30.7 29.0 27.6 26.3 25.1 24.1 23.1 22.2 21.4 20.7 20.0 19.3 18.8 18.2 17.7 17.2 16.8 16.4 16.0 15.6 15.3 15.0 14.7 14.4 14.1 13.9 13.6 13.4 13.2 13.0 12.8 12.6 12.4 12.3 11.5 11.0 10.5 10.2 9.9 9.7 9.5 9.4 9.3 9.3 95 (29.0) ′ 268.3 179.3 134.5 107.7 89.8 77.1 67.5 60.1 54.2 49.3 45.3 41.9 39.0 36.5 34.3 32.3 30.6 29.1 27.7 26.5 25.3 24.3 23.4 22.5 21.8 21.0 20.4 19.7 19.2 18.6 18.1 17.7 17.2 16.8 16.4 16.1 15.7 15.4 15.1 14.8 14.5 14.3 14.0 13.8 13.6 13.4 13.2 13.0 12.8 12.1 11.5 11.0 10.6 10.3 10.0 9.9 9.7 9.6 9.5 100 (30.5) ′ 282.3 188.7 141.5 113.3 94.5 81.1 71.1 63.2 57.0 51.9 47.6 44.1 41.0 38.3 36.0 34.0 32.2 30.6 29.1 27.8 26.6 25.6 24.6 23.7 22.8 22.1 21.4 20.7 20.1 19.5 19.0 18.5 18.1 17.6 17.2 16.8 16.5 16.1 15.8 15.5 15.2 14.9 14.7 14.4 14.2 14.0 13.8 13.6 13.4 12.6 11.9 11.4 11.0 10.7 10.4 10.2 10.0 9.9 9.8 Distance Miles 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0