Assertion: star's position | /r/HasProperty | lop
Facets:
Source sentences:
text: After some computations, referred to as sight reduction, this measurement is used to plot a line of position (LOP) on a navigational chart or plotting worksheet, the observer's position being somewhere on that line.
text: We’ll use these to plot lines of position (LOP) on a nautical chart, plotting work sheet, or a simple graph paper to determine the position of the ship.