![]() ![]() These eight directional names have been further compounded known as tertiary intercardinal directions, resulting in a total of 32 named points evenly spaced around the compass: north (N), north by east (NbE), north-northeast (NNE), northeast by north (NEbN), northeast (NE), northeast by east (NEbE), east-northeast (ENE), east by north (EbN), east (E), etc. Northwest (NW), 315°, halfway between north and west, is the opposite of southeast.Southwest (SW), 225°, halfway between south and west, is the opposite of northeast.Southeast (SE), 135°, halfway between south and east, is the opposite of northwest. ![]() Northeast (NE), 45°, halfway between north and east, is the opposite of southwest.The intercardinal (intermediate, or, historically, ordinal ) directions are the four intermediate compass directions located halfway between each pair of cardinal directions. The four cardinal directions correspond to the following degrees of a compass: The directional names are routinely associated with the degrees of rotation in the unit circle, a necessary step for navigational calculations (derived from trigonometry) and for use with Global Positioning Satellite ( GPS) receivers. See also: Points of the compass § Compass points Degrees of rotation Arbitrary horizontal directions may be indicated by their azimuth angle value. Points between the cardinal directions form the points of the compass. These eight shortest points in the compass rose shown to the right are: The intermediate direction of every set of intercardinal and cardinal direction is called a secondary intercardinal direction. The ordinal directions (also called the intercardinal directions) are northeast (NE), southeast (SE), southwest (SW), and northwest (NW). Relative to north, the directions east, south, and west are at 90 degree intervals in the clockwise direction. The four cardinal directions, or cardinal points, are the four main compass directions: north, east, south, and west, commonly denoted by their initials N, E, S, and W respectively. A compass rose showing the four cardinal directions, the four intercardinal directions, and eight more divisions.
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