Question Pool -- Category E3A
What characterizes libration fading of an earth-moon-earth signal?
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A.
- A slow change in the pitch of the CW signal
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B.
- A fluttery, rapid irregular fading
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C.
- A gradual loss of signal as the sun rises
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D.
- The returning echo is several hertz lower in frequency than the
transmitted signal
Answer is B.
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