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What is a slant range used for?

  • A.Measuring the pattern of an antenna in a plane other than the principal ones
  • B.Testing antennas that will be installed on sloping surfaces in service
  • C.Shortening the required range length by measuring along a diagonal
  • D.Reducing ground reflection by tilting the path towards the sky

Answer: D

Placing the source antenna on a tower and the antenna under test on the ground, or the reverse, tilts the path so that the ground reflection point moves to where it can be absorbed or where the source pattern is low. It is cheaper than two tall towers. Pattern cuts, installation geometry and path length are not what the term refers to. The range length is set by the far field criterion regardless of the direction the path takes.

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