FCC Question Pool Review

Amateur Extra Class (Element 4) • 2024-2028

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Question E8D03

From subelement E8 - E8D

E8D03
Answer: D

Which describes spread spectrum frequency hopping?

AIf interference is detected by the receiver, it will signal the transmitter to change frequencies
BRF signals are clipped to generate a wide band of harmonics which provides redundancy to correct errors
CA binary bit stream is used to shift the phase of an RF carrier very rapidly in a pseudorandom sequence
DRapidly varying the frequency of a transmitted signal according to a pseudorandom sequence