From an observer at sea, the distance at which the light rises or dips depends on the height of the observer above sea level, and also the height of the light itself.
Ukusuka kumbukeli elwandle, umgaba apho ukukhanya kukhula okanye kusihla kuxhomekeke kubude bombukeli ngaphezu kobungakanani bolwandle, kwaye nobude bokukhanya ngoku norhwebo.