-- card: 74732 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 4601
-- name: #259
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on openCard
  global group,rightone
  put 23 into group
  put "D" into rightone
  pass openCard
end openCard



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Question #23

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3BI-5.1 What is the feed-point impedance for a half-wavelength dipole HF antenna suspended horizontally one-quarter wavelength or more above the ground?

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Approximately 50 ohms, resistive

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Approximately 73 ohms, resistive and inductive

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Approximately 50 ohms, resistive and capacitive

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Approximately 73 ohms, resistive