#transmitter__sender  set used to broadcast radio or tv signals
  supertype:  set.electronic_equipment  any electronic equipment that receives or transmits radio or tv signals; "the early sets ran on storage batteries"
  part:  aerial
  subtype:  jammer  a transmitter used to broadcast electronic jamming
  subtype:  radio_transmitter__radiotransmitter  transmitter that is the part of a radio system that transmits signals
     subtype:  spark_transmitter__sparktransmitter  an early radio transmitter using a discharge across a spark gap as the source of its power
  subtype:  satellite_transmitter__satellitetransmitter  a transmitter on a communications satellite
  subtype:  television_transmitter  transmitter that is part of a television system

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