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RADAR APPROCHE INSTRUMENTS [1 record]

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Record 1 2012-10-29

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry
  • Air Navigation Aids
CONT

The beam approach beacon system (BABS) used a single feed system to give improved reliability and accuracy in an azimuth approach system for aircraft. Two slots cut round adjacent corners of a rectangular cavity could be alternately short- and open-circuited so that only one slot radiated at a time. The cavity was fed from a central probe and the whole structure mounted in a corner reflector to five two overlapping, mirror-imaged beams.

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie
  • Aides à la navigation aérienne

Spanish

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