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Manual Direction Finder |
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manual direction finder [′man·yə·wəl di′rek·shən ‚fīn·dər]
(navigation) Manual Direction Finder an aircraft radio direction finder for the semiautomatic location of a bearing on transmitting stations on the ground. It differs from an automatic direction finder in that it lacks a tracking system; the antenna loop is rotated manually. Since the mid-1970’s, the manual direction finder has become practically obsolete. 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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