Lines Of Position, or LOPs, can be which shapes?

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Multiple Choice

Lines Of Position, or LOPs, can be which shapes?

Explanation:
Lines of position show all possible locations of the observer based on a single measurement. When you determine a bearing or azimuth to a known object, the locus is a straight line that passes through that object. If you determine a distance (range) to a known object, the locus is a circle centered on that object with the radius equal to the measured range. In practice you might plot just the arc of that circle that lies in the navigable area, but the underlying locus is a circle. So a line of position can be either a straight line or a circular path, hence straight OR circular.

Lines of position show all possible locations of the observer based on a single measurement. When you determine a bearing or azimuth to a known object, the locus is a straight line that passes through that object. If you determine a distance (range) to a known object, the locus is a circle centered on that object with the radius equal to the measured range. In practice you might plot just the arc of that circle that lies in the navigable area, but the underlying locus is a circle. So a line of position can be either a straight line or a circular path, hence straight OR circular.

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