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  2. Points of the compass - Wikipedia

    en.wikipedia.org/wiki/Points_of_the_compass

    32-point compass rose. The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography.A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each separated by 90 degrees, and secondarily divided by four ordinal (intercardinal) directions—northeast, southeast, southwest, and ...

  3. Cardinal direction - Wikipedia

    en.wikipedia.org/wiki/Cardinal_direction

    The ordinal directions (also called the intercardinal directions) are northeast (NE), southeast (SE), southwest (SW), and northwest (NW). The intermediate direction of every set of intercardinal and cardinal direction is called a secondary intercardinal direction. These eight shortest points in the compass rose shown to the right are:

  4. Compass rose - Wikipedia

    en.wikipedia.org/wiki/Compass_rose

    Sixteen-point compass roses are constructed by bisecting the angles of the principal winds to come up with intermediate compass points, known as half-winds, at angles of difference of 22 1 ⁄ 2 °. The names of the half-winds are simply combinations of the principal winds to either side, principal then ordinal.

  5. Classical compass winds - Wikipedia

    en.wikipedia.org/wiki/Classical_compass_winds

    In the ancient Mediterranean world, the classical compass winds were names for the points of geographic direction and orientation, in association with the winds as conceived of by the ancient Greeks and Romans. Ancient wind roses typically had twelve winds and thus twelve points of orientation, sometimes reduced to eight or increased to twenty ...

  6. Heading (navigation) - Wikipedia

    en.wikipedia.org/wiki/Heading_(navigation)

    Compass; The formula is always added moving down, and subtracted when moving up. The most complicated part is determining if the values are positive or negative. The True, Magnetic, and Compass values are directions on the compass, they must always be a positive number between 0–360. Variation and Deviation can be positive or negative.

  7. Compass - Wikipedia

    en.wikipedia.org/wiki/Compass

    A modern military compass, with included sight device for aligning. A compass is a device that shows the cardinal directions used for navigation and geographic orientation. It commonly consists of a magnetized needle or other element, such as a compass card or compass rose, which can pivot to align itself with magnetic north.

  8. Direction determination - Wikipedia

    en.wikipedia.org/wiki/Direction_determination

    Direction determination refers to the ways in which a cardinal direction or compass point can be determined in navigation and wayfinding.The most direct method is using a compass (magnetic compass or gyrocompass), but indirect methods exist, based on the Sun path (unaided or by using a watch or sundial), the stars, and satellite navigation.

  9. East - Wikipedia

    en.wikipedia.org/wiki/East

    A 16-point compass rose with east highlighted to the right East is one of the four cardinal directions or points of the compass . It is the opposite direction from west and is the direction from which the Sun rises on the Earth .