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time reference scanning beam |
Also found in: Acronyms | 0.01 sec. |
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time reference scanning beam [′tīm ‚ref·rəns ′skan·iŋ ‚bēm]
(navigation) A radio or radar beam which is swept to and fro over a sector of space and in such a manner that the interval between reception of successive pulses at an aircraft indicates the aircraft's altitude or azimuth. A system of ground equipment that generates such beams at microwave frequencies to furnish guidance to aircraft making microwave landings. Abbreviated TRSB. 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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