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- -- card: 42652 from stack: in
- -- bmap block id: 0
- -- flags: 4000
- -- background id: 4601
- -- name: #137
- ----- HyperTalk script -----
- on openCard
- global group,rightone
- put 13 into group
- put "A" into rightone
- pass openCard
- end openCard
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- -- part contents for background part 20
- ----- text -----
- Question #13
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- -- part contents for background part 1
- ----- text -----
- 3BD-9.2 How is a signal tracer used?
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- -- part contents for background part 11
- ----- text -----
- To detect the presence of a signal in the various stages of a receiver
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- -- part contents for background part 27
- ----- text -----
- To locate a source of interference
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- -- part contents for background part 28
- ----- text -----
- To trace the path of a radio signal through the ionosphere
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- -- part contents for background part 29
- ----- text -----
- To draw a waveform on paper