#receiver__receiving_system__receivingsystem  set that receives 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  radio_chassis
  subtype:  direction_finder__directionfinder  radio; determines the direction of incoming radio waves
     subtype:  goniometer  direction finder that determines the angular direction of incoming radio signals
     subtype:  radio_compass__radiocompas  a direction finder that gives a bearing by determining the direction of incoming radio signals
  subtype:  radio_receiver__radioreceiver__receiving_set__receivingset__radio_set__radioset__radio__tuner__wireless  an electronic receiver that detects and demodulates and amplifies transmitted signals
     subtype:  clock_radio__clockradio  a radio that includes a clock that can be set to turn it on automatically
     subtype:  crystal_set__crystalset  an early radio receiver using a crystal detector
     subtype:  heterodyne_receiver__superheterodyne_receiver__superheterodynereceiver__superhet  a radio receiver that combines a locally generated frequency with the carrier frequency to produce a supersonic signal that is demodulated and amplified
     subtype:  push-button_radio  a radio receiver that can be tuned by pressing buttons
  subtype:  satellite_receiver__satellitereceiver  a receiver on a communications satellite
  subtype:  television_receiver__television__television_set__tv__tv_set__idiot_box__idiotbox__boob_tube__telly__gogglebox  a receiver that displays television images; "the British call a tv set a telly"

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