azimuth scale
1Scale (map) — The scale of a map is defined as the ratio of a distance on the map to the corresponding distance on the ground. If the region of the map is small enough for the curvature of the Earth to be neglected, then the scale may be taken as a constant… …
2azimuth equidistant projection — A nonperspective map projection drawn in such a way that all distances from the point of tangency are correct to scale. Bearings are correct only when measured from the origin. Areas are not equal. Great circles are straight lines only if they… …
3gyromagnetic compass — A directional gyroscope whose azimuth scale is maintained in alignment with the magnetic meridian by a magnetic detector unit …
4gyromagnetic compass — A gyrocompass whose azimuth scale is maintained in alignment with the magnetic meridian by a magnetic detector unit. Gyromagnetic compass …
5panoramic sight — noun gunsight (a telescopic device for an artillery piece) that can be rotated horizontally in a full circle • Hypernyms: ↑gunsight, ↑gun sight * * * noun : a telescopic device for laying an artillery piece for direction that permits the gunner… …
6Corrected firing data — was a term used in the U.S. Coast Artillery to refer to firing data (range and azimuth to the target) that had been corrected[1] for various non standard conditions. This could include corrections to range and corrections to azimuth or deflection …
7earthquake — /errth kwayk /, n. 1. a series of vibrations induced in the earth s crust by the abrupt rupture and rebound of rocks in which elastic strain has been slowly accumulating. 2. something that is severely disruptive; upheaval. [1300 50; ME erthequake …
8Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R …
9Geodesy — (pronEng|dʒiːˈɒdɪsi [OED] ), also called geodetics, a branch of earth sciences, is the scientific discipline that deals with the measurement and representation of the Earth, including its gravitational field, in a three dimensional time varying… …
10Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …
