File:P04 - 1962-antenne radar secondaire comontée sur le LP23.JPG

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P04_-_1962-antenne_radar_secondaire_comontée_sur_le_LP23.JPG ‎(450 × 338 pixels, file size: 95 KB, MIME type: image/jpeg)

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Français : Orly : antenne radar secondaire (rectangulaire) comontée avec le radar primaire LP23 (antenne parabolique)
English: Air traffic control radar antenna at Orly airport, Orly, France. The large parabolic dish is the LP23 primary surveillance radar. The small rectangular antenna above it is the secondary surveillance radar (SSR). It interrogates the transponder on the aircraft, which sends back a coded signal giving the craft's identity and altitude.
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Author AntonyB

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current22:08, 16 January 2008Thumbnail for version as of 22:08, 16 January 2008450 × 338 (95 KB)AntonyB (talk | contribs){{Information |Description=Orly : antenne radar secondaire comontée avec le LP23 |Source=travail personnel |Date=16 janvier 2008 |Author= AntonyB |Permission= |other_versions= }}

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