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A modern nautical compass rose. The outer circle (true rose) is aligned with true north; the inner circle (magnetic rose) with magnetic north. Inside the magnetic rose there is also an older 32-point graduation. Date: 15 August 2007: Source: Redrawn in Inkscape; based on a public domain file created by NOAA. Author: Mysid
The traverse board is a wooden board with peg-holes and attached pegs. It is divided into two parts, upper and lower. The top part is for recording direction sailed.It has a representation of the compass rose with its 32 compass points, just as on the face of the ship's compass.
A bearing is the angle between the line joining the two points of interest and the line from one of the points to the north, such as a ship's course or a compass reading to a landmark. On nautical charts, the top of the chart is always true north, rather than magnetic north, towards which a compass points.
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Diagram of cardinal marks as seen during the day, with their light patterns. The lights shown here are configured as "Quick". A cardinal mark is a sea mark (a buoy or other floating or fixed structure) commonly used in maritime pilotage to indicate the position of a hazard and the direction of safe water.