compass direction
81Cardinal direction — Cardinal point redirects here. For other uses of the term, see Cardinal point (disambiguation). A compass rose showing the four cardinal directions, the four ordinal directions, plus eight further divisions. The four cardinal directions or… …
82Classical compass winds — The Tower of the Winds in Athens Classical compass winds refers to the naming and association of winds in Mediterranean classical antiquity (Ancient Greece and Rome) with the points of geographic direction and orientation. Ancient wind roses… …
83Radio direction finder — Civil Air Patrol members practice using a handheld radio direction finder to locate an emergency locator transmitter …
84Earth Inductor Compass — The Earth inductor compass is a device for determining direction using the magnetic field of the Earth. The operation of the compass is based on the principle of electromagnetic induction with the Earth s magnetic field acting as the induction… …
85Qibla compass — A qibla compass or qiblah compass (sometimes also called qibla/qiblah indicator) is a modified compass used by Muslims to indicate the direction to face to perform ritual parayers. In Islam, this direction is called qibla, and points towards the… …
86Amateur radio direction finding — Sport imagesize = 250px caption = A German competitor on a two meter ARDF course. union = International Amateur Radio Union nickname = first = 1950s, in northern and eastern Europe registered = clubs = contact = Non contact team = Individual… …
87Aircraft compass turns — In aviation, aircraft compass turns are turns made in an aircraft using only a magnetic compass for guidance.DescriptionA magnetic compass aboard an aircraft displays the current magnetic heading of the aircraft, i.e., the aircraft s direction of …
88Hand compass — Parts of a hand compass A hand compass (aka hand bearing compass or sighting compass) is a term for any compact magnetic compass capable of one hand use and fitted with a sighting device to record a precise bearing or azimuth to a given target or …
89Head direction cells — Many mammals possess head direction (HD) cells: Neurons that are active only when the animal s head points in a specific direction within an environment. These neurons fire at a steady rate (i.e. they do not show adaptation), but show a decrease… …
90Relative direction — A right handed Cartesian coordinate system, illustrating the x (right left), y (forward backward) and z (up down) axes relative to a human being. The most common relative directions are left, right …
