A radio transmitter enabling pilots to fix their position or the aerodrome staff to locate, identify, or guide aircraft; also marker beacon, radio b…
| 单词 | θ206936 |
| 释义 | society > travel > air or space travel > action of flying (in) aircraft > navigation of course of aircraft > [noun] > radio beam or beacon (9) beacon1919 A radio transmitter enabling pilots to fix their position or the aerodrome staff to locate, identify, or guide aircraft; also marker beacon, radio b… localizer1922 Aeronautics. A device for transmitting a radio beam along a runway, which an incoming aircraft can use to guide its approach; also localizer beam… beam1927 Aeronautics. A directional radio transmission used to guide aircraft or missiles; frequently attributive, as beam approach. landing beam1929 a radio beam to guide aircraft when landing. marker beacon1929 = beacon, n. 6d. fan marker1948 a radio marker beacon that transmits a fan-shaped beam. Subcategories:— navigational radio beacon (3) |
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