-- card: 74076 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 4601
-- name: #257
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on openCard
  global group,rightone
  put 22 into group
  put "B" into rightone
  pass openCard
end openCard



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Question #22

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3BI-3.8 How long is the director element of a Yagi antenna for 21.1-MHz?

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Approximately 42 feet

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Approximately 21 feet

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Approximately 17 feet

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Approximately 10.5 feet