-- card: 70145 from stack: in
-- bmap block id: 0
-- flags: 0000
-- background id: 4601
-- name: #257
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on openCard
  global group,rightone
  put 22 into group
  put "D" into rightone
  pass openCard
end openCard



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Question #257

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T8B06  Why do many radio receivers have several IF filters of different bandwidths that can be selected by the operator?

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Because some frequency bands are wider than others

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Because different bandwidths help increase the receiver sensitivity

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Because different bandwidths improve S-meter readings

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Because some emission types need a wider bandwidth than others to be received properly

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Correct answer is D