comms#transmission_object
  supertype:  comms_object__commsobject  top concept type in the comms ontology
  subtype:  WDM  wave length division multiplexer
  subtype:  transmission_line__cable__line  a conductor for transmitting electrical or optical signals or electric power
     subtype:  coaxial_cable__coaxialcable__coax__coax_cable  a transmission line for high-frequency signals
        subtype:  ethernet_cable  any of several types of coaxial cable used in ethernets
     subtype:  electrical_cable  a cable that provides an electrical connection for telephone or television or power stations
     subtype:  fiber_optic_cable__fiberopticcable__fibre_optic_cable__fibreopticcable  a cable made of optical fibers that can transmit large amounts of information at the speed of light
     subtype:  power_line__powerline__power_cable__powercable  cable used to distribute electricity
     subtype:  printer_cable__printercable  a cable between a computer and a printer
  subtype:  artificial_satellite__satellite  man-made equipment that orbits around the earth or the moon
     subtype:  astronomy_satellite__astronomysatellite  a satellite equipped with a telescope to observe infra-red radiation
     subtype:  communications_satellite  an artificial satellite that relays signals back to earth; moves in a geostationary orbit
     subtype:  spacecraft__ballistic_capsule__ballisticcapsule__space_vehicle__spacevehicle  a craft capable of traveling in outer space; technically a satellite around the sun
        subtype:  lander  a space vehicle that is designed to land on the moon or another planet
        subtype:  lunar_excursion_module__lunarexcursionmodule__lunar_module__lunarmodule__LEM  a spacecraft that carries astronauts from the command module to the surface of the moon and back
        subtype:  space_capsule__spacecapsule__capsule  a spacecraft designed to transport people and support human life in outer space
        subtype:  space_shuttle__spaceshuttle  a reusable spacecraft with wings for a controlled descent through the Earth's atmosphere
     subtype:  space_station__spacestation__space_platform__spaceplatform__space_laboratory__spacelaboratory  a manned artificial satellite in a fixed orbit designed for scientific research
        subtype:  Salyut  either of two Soviet space stations launched in the 1970s
        subtype:  Skylab  United States space station; in orbit from 1973 to 1979
     subtype:  sputnik  a Russian artificial satellite; "Sputnik was the first man-made satellite to orbit the earth"
     subtype:  spy_satellite__spysatellite  a satellite with sensors to detect nuclear explosions
     subtype:  weather_satellite__weathersatellite__meteorological_satellite  a satellite that transmits frequent picture of the earth below
     subtype:  VSAT
  subtype:  microwave  a short electromagnetic wave (longer than infrared but shorter than radio waves); used for radar and microwave ovens
  subtype:  wireless_network
  subtype:  broadband_network__broadbandnetwork

No statement uses or specializes transmission_object; click here to add one.