Lines of Position

Lines of Position – Problem You take the following bearings using a hand bearing compass. From the image below, identify the lighthouse, the marina, the monument and the boat. For this exercise assume zero variation (angle difference between magnetic north and true north). This is an exercise presented in the NauticEd Coastal Navigation course.  The […]

Navigation: Distance off a point method or double the angle

Each of our course pages has a nano-forum (called SeaTalks) attached so that students can comment on the content of that page. Recently a student asked a question on the nano-forum about the distance off/double the angle method and pointed out something which when we did the geometry analysis it turns up something quite revealing. The […]

Simplistic Explanation of Latitude and Longitude Determination

The posting here is not a course in celestial navigation by any means. However it’s meant to simplify a few principles for you so that you’ll at least have some sort of celestial orientation. And… perhaps it’ll inspire you to learn the aging art. This was written by Grant Headifen, Educational Director of NauticEd. NauticEd […]