- grid direction
- Headings in relation to the grid north.
Aviation dictionary. 2014.
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grid heading — An aircraft heading measured relative to grid north. See grid direction … Aviation dictionary
Grid north — is a navigational term referring to the direction northwards along the grid lines of a map projection. It is contrasted with true north (the direction of the North Pole) and magnetic north (the direction of the Magnetic North Pole). Many… … Wikipedia
Grid energy storage — is used to manage the flow of electrical energy. For large scale load levelling on an interconnected electrical system, electric energy producers send low value off peak excess electricity over the electricity transmission grid to temporary… … Wikipedia
Grid declination — is the angle between compass north and the north direction defined by map coordinate grid. One map can sometimes have two coordinate grids, consequently there is a grid declination for each of these.The angle between the north direction defined… … Wikipedia
Grid cells — A grid cell is a type of neuron found in the entorhinal cortex (EC) that fires strongly when an animal is in specific locations in an environment. Grid cells were discovered in 2005 and it is hypothesized that a network of these cells constitute… … Wikipedia
Grid friendly — Electrical devices are considered grid friendly if they operate in a manner that supports electrical power grid reliability. Basic grid friendly devices may incorporate features that work to offset short term undesirable changes in line frequency … Wikipedia
grid magnetic angle — The angular difference in direction between grid north and magnetic north. It is measured east or west from grid north. A grid magnetic angle is sometimes called a grivation and/or grid variation … Aviation dictionary
grid magnetic angle — Angular difference in direction between grid north and magnetic north. It is measured east or west from grid north. Also called grid variation; grivation … Military dictionary
Grid Trading — A foreign exchange trading technique that seeks to capitalize on normal price volatility in currency markets by placing buy and sell orders at certain regular intervals above and below a predefined base price. Such buy and sell orders, generally… … Investment dictionary
grid north — The direction of a north south grid line on a map. Except for the north south grid line through the point of origin of the grid, it will differ slightly from true north  … Lexicon of Cave and Karst Terminology