7. “Squelch” means:
A. The sound made when stepping on a snail
B. Muting the outputs of a receiver when the audio signal becomes too noisy
C. The amount the carrier is shifted from the assigned center frequency in response to the audio
D. The available audio monitor level
8. “Deviation” in an FM wireless system refers to:
A. Muting the audio of a receiver when the audio signal becomes too noisy
B. The amount the carrier is shifted from the assigned center frequency in response to the audio signal
C. How far from pitch the singer wanders during the song
D. How far apart your antennas have to be before true diversity reception is possible
9. “Deviation” is an important specification because it represents:
A. How “twisted” someone has to be to accept a touring job as monitor engineer
B. The degree of quieting and suppression of interference for good RF signals
C. The minimum distance you should have two wireless channels to avoid interference
D. The minimum tolerance for electronic parts used in wireless equipment
10. The minimum diversity antenna spacing for the best resistance to dropouts is:
A. One-quarter wave
B. One-half wave
C. Three-quarter wave
D. More than a full wave
E. Surf’s up!
11. True or False: 608 MHz to 614 MHz is reserved for radio astronomy in the U.S.
