For an observer on the ground with eye level at h = 5 ft 7 in ... the
This is a rough guide to determine the
where "height above surface" is in feet and "
Jan 15, 2009
Sep 12, 2012
The following table shows the
the line from our eye to the
International waters are 12 nautical miles (22.2 km; 13.8 mi) from shore. This is ...
(Both you and the ship are above
If you want to know the
If you can measure how high your eyes are from
If h is in meters, that makes the