radio beacon

radio beacon
Fixed ground stations emitting RF (radio frequency) signals, especially those containing identification signals such as NDBs (nondirectional beacons), which enable aircraft to fix their position relative to them. These facilities normally operate in the frequency band of 190 to 535 kilohertz (kHz) and transmit a continuous carrier with either a 400 or a 1020 hertz (Hz) modulation. All radio beacons except the compass locators transmit a continuous three-letter identification in code, except during voice transmissions. When a radio beacon is used in conjunction with the instrument landing system markers, it is called a compass locator. Voice transmissions are made on radio beacons unless the letter W (without voice) is included in the class designator. Radio beacons are subject to disturbances that may result in erroneous bearing information. Such disturbances result from such factors as lightning, precipitation, static, etc. At night, radio beacons are vulnerable to interference from distant stations.

Aviation dictionary. 2014.

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  • radio beacon — Beacon Bea con (b[=e] k n), n. [OE. bekene, AS. be[ a]cen, b[=e]cen; akin to OS. b[=o]kan, Fries. baken, beken, sign, signal, D. baak, OHG. bouhhan, G. bake; of unknown origin. Cf. {Beckon}.] 1. A signal fire to notify of the approach of an enemy …   The Collaborative International Dictionary of English

  • radio beacon — radio .beacon n a tower that sends out radio signals to help aircraft stay on the correct course …   Dictionary of contemporary English

  • radio beacon — ☆ radio beacon n. a radio transmitter that gives off special signals continuously to help ships or aircraft determine their positions or come in safely, as at night or in a fog …   English World dictionary

  • radio beacon — noun 1. a characteristic signal emitted by a transmitter used for navigation • Hypernyms: ↑signal, ↑signaling, ↑sign 2. a radio station that broadcasts a directional signal for navigational purposes • Syn: ↑beacon • Hypernyms: ↑ …   Useful english dictionary

  • radio beacon — radijo švyturys statusas T sritis Gynyba apibrėžtis Radijo siųstuvas, kuris siunčia išsiskiriantį arba įprastinį signalą krypčiai, azimutui ar vietai nustatyti. atitikmenys: angl. radio beacon pranc. radiophare ryšiai: dar žiūrėk – vėduokliškas… …   NATO terminų aiškinamasis žodynas

  • radio-beacon system — radijo švyturių sistema statusas T sritis radioelektronika atitikmenys: angl. radio beacon system vok. Funkfeueranordnuug, f rus. система радиомаяков, f pranc. réseau de radiophares, m …   Radioelektronikos terminų žodynas

  • radio beacon — noun A beacon that emits radio wave signal to guide ships and/or aircraft …   Wiktionary

  • radio beacon — noun Date: 1919 a radio transmitting station that transmits special radio signals for use (as on a landing field) in determining the direction or position of those receiving them …   New Collegiate Dictionary

  • radio beacon — a radio station that sends a characteristic signal so as to enable ships or airplanes to determine their position or bearing by means of a radio compass. [1915 20] * * * …   Universalium

  • radio beacon — /ˈreɪdioʊ bikən/ (say raydeeoh beekuhn) noun a radio transmitter emitting a characteristic signal so as to enable ships or aircraft to determine their position or bearing by a receiving instrument (radio compass) …  

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