#broadcast  message that is transmitted by radio or television
  supertype:  message  a communication (usually brief) that is written or spoken or signaled; "he sent a three-word message"
  subtype:  radio_broadcast__radiobroadcast  a broadcast via radio
  subtype:  simulcast  a broadcast that is carried simultaneously by radio and television (or by FM and AM radio)
  subtype:  telecast  a television broadcast

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