-- card: 74827 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 4601
-- name: #260
----- HyperTalk script -----
on openCard
  global group,rightone
  put 23 into group
  put "B" into rightone
  pass openCard
end openCard



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Question #23

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3BI-5.2 What is the feed-point impedance of a quarter-wavelength vertical HF antenna with a horizontal ground plane?

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Approximately 18 ohms

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Approximately 36 ohms

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Approximately 52 ohms

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Approximately 72 ohms