» For the music album, see The Rhumb Line. Three views of a of pole-to-pole loxodrome. In navigation, a rhumb line (or loxodrome)'s a line crossing all meridians at the same angle, for example a path of constant bearing. Unlike a great circle route (for which bearing isn't constant), following a rhumb line requires turning the vehicle more and more sharply while approaching the poles. At lower latitudes, however, a loxodrome may be easier to follow than a great circle. The effect o… (More on Loxodrome)