magnetic compass correction

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• Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …   Wikipedia

• Magnetic declination — Example of magnetic declination showing a compass needle with a positive (or easterly ) variation from geographic north. Magnetic declination is the angle between magnetic north (the direction the north end of a compass needle points) and true… …   Wikipedia

• Magnetic deviation — Deviation table for steering compass on Dar Młodzieży Magnetic deviation is the error induced in a compass by local magnetic fields, which must be allowed for, along with magnetic declination, if accurate bearings are to be calculated. In… …   Wikipedia

• compass swinging — A procedure for calculating and correcting for the effects of an aircraft’s magnetic field on its magnetic compass. The aircraft is taken to a designated area where, with all its services that are normally on during a flight, its deviation is… …   Aviation dictionary

• compass card — A drumlike scale, marked in degrees from 001° to 360°, fastened around the float in an aircraft magnetic compass. Compass correction/deviation card …   Aviation dictionary

• Magnetic field — This article is about a scientific description of the magnetic influence of an electric current or magnetic material. For the physics of magnetic materials, see magnetism. For information about objects that create magnetic fields, see magnet. For …   Wikipedia

• Magnetic amplifier — The magnetic amplifier (colloquially known as a mag amp ) is an electromagnetic device for amplifying electrical signals. The magnetic amplifier was invented early in the 20th century, and was used as an alternative to vacuum tube amplifiers… …   Wikipedia

• Fluxgate compass — The basic fluxgate compass is a simple electromagnetic device that employs two or more small coils of wire around a core of highly permeable magnetic material, to directly sense the direction of the horizontal component of the earth s magnetic… …   Wikipedia

• navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… …   Universalium

• Course (navigation) — In navigation, a vehicle s course is the angle that the intended path of the vehicle makes with a fixed reference object (typically true north). Typically course is measured in degrees from 0° clockwise to 360° in compass convention (0° being… …   Wikipedia

• Nautical chart — A nautical chart is a graphic representation of a maritime area and adjacent coastal regions. Depending on the scale of the chart, it may show depths of water and heights of land (topographic map), natural features of the seabed, details of the… …   Wikipedia