Assertion: quindar tone | /r/HasProperty | beep
Facets:
value: most often
type: DEGREE
Source sentences:
text: Quindar tones, most often referred to as the "beeps" that were heard during the American Apollo space missions, were a means by which remote transmitters on Earth were turned on and off so that the capsule communicator (CapCom) could communicate with the crews of the spacecraft.