What is the function of squelch in a radio receiver?

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Master the AN/PRC-160 and AN/PRC-163 Radio Operations Test. Utilize flashcards and multiple choice questions, each with hints and explanations. Ace your exam!

Multiple Choice

What is the function of squelch in a radio receiver?

Explanation:
Squelch works like a gate for the audio. It mutes the receiver output when the incoming signal is below a preset threshold, which keeps you from hearing background noise and hiss when no transmission is present. When a signal strong enough to exceed the threshold arrives, the gate opens and you hear the transmission. This is different from changing how sensitive the receiver is (RF gain) or adjusting how loud the audio sounds (volume or AF gain).

Squelch works like a gate for the audio. It mutes the receiver output when the incoming signal is below a preset threshold, which keeps you from hearing background noise and hiss when no transmission is present. When a signal strong enough to exceed the threshold arrives, the gate opens and you hear the transmission. This is different from changing how sensitive the receiver is (RF gain) or adjusting how loud the audio sounds (volume or AF gain).

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