coordinate navigation
1coordinate system — Math. any method that uses numbers to represent a point, line, or the like. * * * Arrangement of reference lines or curves used to identify the location of points in space. In two dimensions, the most common system is the Cartesian (after René… …
2Polar coordinate system — Points in the polar coordinate system with pole O and polar axis L. In green, the point with radial coordinate 3 and angular coordinate 60 …
3List of selected stars for navigation — The selected stars for navigation are often used for sextant observations. Fifty eight selected navigational stars are given a special status in the field of celestial navigation. Of the approximately 6,000 stars visible to the naked eye under… …
4Lunar distance (navigation) — For the history of the lunar distance method, see History of longitude. Finding Greenwich time while at sea using a lunar distance. The Lunar Distance is the angle between the Moon and a star (or the Sun). The altitudes of the two bodies are used …
5Geographic coordinate system — Map of Earth showing lines of latitude (horizontally) and longitude (vertically), Eckert VI projection; large version (pdf, 3.12MB) …
6Olfactory navigation — It is possible that homing pigeons may navigate by smell Olfactory navigation is a hypothesis put forward to explain navigation and homing of pigeons, in particular the homing pigeon. There are two principal versions. Papi’s mosaic model proposes …
7European Organisation for the Safety of Air Navigation — The goal for EUROCONTROL is to develop, coordinate and plan for implementation of pan European air traffic management strategies and their associated action plans in an effort involving national authorities, air navigation service providers,… …
8Waypoint — A waypoint is a reference point in physical space used for purposes of navigation.ConceptWaypoints are sets of coordinates that identify a point in physical space. For the purposes of terrestrial navigation, these coordinates usually include… …
9map — mappable, adj. mapper, n. /map/, n., v., mapped, mapping. n. 1. a representation, usually on a flat surface, as of the features of an area of the earth or a portion of the heavens, showing them in their respective forms, sizes, and relationships… …
10Map — /map/, n. Walter, c1140 1209?, Welsh ecclesiastic, poet, and satirist. Also, Mapes /mayps, may peez/. * * * I Graphic representation, drawn to scale and usually on a flat surface, of features usually geographic, geologic, or geopolitical of an… …
