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- -- card: 29064 from stack: in
- -- bmap block id: 0
- -- flags: 4000
- -- background id: 7720
- -- name: #82
- ----- HyperTalk script -----
- on openCard
- global group,rightone
- put 8 into group
- put "B" into rightone
- pass openCard
- end openCard
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- -- part contents for background part 20
- ----- text -----
- Question #8
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- -- part contents for background part 1
- ----- text -----
- 4AC-2.1 What is a "selective fading" effect?
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- -- part contents for background part 11
- ----- text -----
- A fading effect caused by small schanges in beam heading at the receiving station
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- -- part contents for background part 27
- ----- text -----
- A fading effect caused by phase differences between radio wave components of the same transmission, as experienced at the receiving station
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- -- part contents for background part 28
- ----- text -----
- A fading effect caused by large changes in the height of the ionosphere, as experienced at the receiving station
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- -- part contents for background part 29
- ----- text -----
- A fading effect caused by time differences between the receiving and transmitting stations