A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Position-Finding
From: Geoffrey Kolbe
Date: 2017 Apr 16, 23:13 -0700
Unless you are trying to pass an exam, the 'proper' definition does not really matter does it? So long as you fully understand what YOU mean by the symbols you use, then "how to use them properly" should not be a problem. The important thing is to understand the principles.