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- -- card: 75419 from stack: in
- -- bmap block id: 0
- -- flags: 0000
- -- background id: 4601
- -- name: #296
- ----- HyperTalk script -----
- on openCard
- global group,rightone
- put 23 into group
- put "B" into rightone
- pass openCard
- end openCard
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-
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- -- part contents for background part 20
- ----- text -----
- Question #23
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- -- part contents for background part 1
- ----- text -----
- 3AI-1-2.1 What is a "cubical quad antenna"?
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- -- part contents for background part 11
- ----- text -----
- Four parallel metal tubes, each approximately 1/2 electrical wavelength long
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- -- part contents for background part 27
- ----- text -----
- Two or more parallel four-sided wire loops, each approximately one electrical wavelength long
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- -- part contents for background part 28
- ----- text -----
- A vertical conductor 1/4 electrical wavelength high, fed at the bottom
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- -- part contents for background part 29
- ----- text -----
- A center-fed wire 1/2 electrical wavelength long