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- -- card: 153509 from stack: in
- -- bmap block id: 0
- -- flags: 4000
- -- background id: 7720
- -- name: #482
- ----- HyperTalk script -----
- on openCard
- global group,rightone
- put 48 into group
- put "A" into rightone
- pass openCard
- end openCard
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- -- part contents for background part 20
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- Question #48
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- -- part contents for background part 1
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- 4AI-6.4 How can the antenna efficiency of a HF vertical antenna be made comparable to that of a half-wave antenna?
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- -- part contents for background part 11
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- By installing a good ground radial system
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- -- part contents for background part 27
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- By isolating the coax shield from ground
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- -- part contents for background part 28
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- By shortening the vertical
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- -- part contents for background part 29
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- By lengthening the vertical