Home » Practical Operating Knowledge » 8 » c The "squelch" or "muting" circuitry on a VHF receiver:   a.   inhibits the audio output unless a station is being received   b.   compresses incoming voice signals to make them more intelligible   c.   reduces audio burst noise due to lightning emissions   d.   reduces the noise on incoming signals Your answer "c" is not correct. "a" is the right answer. Next