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Radar Beacon |
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radar beacon [′rā‚där ‚bē·kən]
(navigation) A radar receiver-transmitter that transmits a strong coded radar signal whenever its radar receiver is triggered by an interrogating radar on an aircraft or ship; the coded beacon reply can be used by the navigator to determine his own position in terms of bearing and range from the beacon. Also known as racon; radar transponder. Radar Beacon a transponder used as an aid to navigation that works in conjunction with the radar sets on aircraft and ships. Activated by the signals sent out from a radar set on board a ship or plane, the beacon responds with coded signals, which enable the radar set to determine the beacon’s direction and distance. Radar beacons are used in radio navigation to determine the position of an object with respect to the known position of the beacon and to provide for an accurate approach by these objects to the beacon’s site. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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