Vocabulary

a pair of small speakers worn close to a person's ears

• transponder

• break squelch

• headphones

• transceiver

a setting that controls the level of background noise

• squelch control

• transponder

• break squelch

• headphones

a device that communicates an aircraft's location using radio-frequency signals

• transponder

• transceiver

• break squelch

• Headphone

a microphone that one holds by hand

• handheld mike

• headphones

• squelch control

• Coordinator

a radio device that includes both a transmitter and a receiver

• break squelch

• Director

• transceiver

• Headphone

a microphone attached to a pole that one does not have to hold

• Boom mike

• Headphone

• Transponder

• Indicator

a securestos at nich noise becomes audiole

• Transceiver

• Boom mike

• Headphone

• break squelch