#omnidirectional_antenna__omnidirectionalantenna__nondirectional_antenna  an antenna that sends or receives signals equally in all directions
  supertype:  #aerial__antenna__transmitting_aerial  an electrical device that sends or receives radio or television signals
  subtype:  #radio_antenna__radioantenna__radio_aerial__radioaerial  omnidirectional antenna comprising the part of a radio receiver by means of which radio signals are received
  subtype:  #television_antenna__tv-antenna  an omnidirectional antenna tuned to the broadcast frequencies assigned to television
     subtype:  #rabbit_ears  an indoor tv antenna; 2 extendible rods forming a V

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