unobstructed line of sight
1line of sight — noun an imaginary straight line along which an observer looks • Syn: ↑line of vision • Hypernyms: ↑line * * * 1. or line of sighting : a linear projection toward a target of the straight line obtained when the sights of a firearm are in perfect… …
2line-of-sight — An unobstructed path between the transmitter and receiver. Laser, microwave, and infrared transmissions usually require a clear line of sight. See also wireless communications …
3line of sight — Date: 1559 1. a line from an observer s eye to a distant point 2. the line between two points; specifically the straight path between a transmitting antenna (as for radio or television signals) and a receiving antenna when unobstructed by the… …
4line of sight — a straight line along which an observer has unobstructed vision. → line …
5sight — Synonyms and related words: Anschauung, aim, aim at, airscape, amazement, angle, angle of vision, assumption, astonishing thing, astonishment, atrocity, attitude, awe inspiring, baboon, bag, barrel, basis, batch, behold, bend, blemish, blot,… …
6line — line1 noun 1》 a long, narrow mark or band. ↘Mathematics a straight or curved continuous extent of length without breadth. ↘a wrinkle in the skin. ↘a contour or outline as a feature of design. ↘a curve connecting all points having… …
7Iron sight — Sight picture through iron sights of an H K MP5 submachine gun. The annular shroud around the front post sight is aligned with the rear peep sight to ensure the weapon is properly trained. Iron sights are a system of shaped alignment markers… …
8lineof sight — line of sight n. pl. lines of sight 1. An imaginary line from the eye to a perceived object. 2. An unobstructed path between sending and receiving antennas. * * * …
9Mason-Dixon Line — The Mason–Dixon Line (or Mason and Dixon s Line ) is a demarcation line between four U.S. states, forming part of the borders of Pennsylvania, Maryland, Delaware, and West Virginia (then part of Virginia). It was surveyed between 1763 and 1767 by …
10Global Positioning System — GPS redirects here. For other uses, see GPS (disambiguation). Geodesy Fundamentals …
