#radio_wave__radiowave__radio_emission__radioemission__radio_radiation__radioradiation  an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m
  supertype:  #electromagnetic_radiation__electromagneticradiation__electromagnetic_wave__electromagneticwave__nonparticulate_radiation  radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge
  part of:  #radio_spectrum
  subtype:  #sky_wave__skywave  a radio wave that is reflected back to earth by the ionosphere or a communications satellite; permits transmission around the curve of the earth's surface
     subtype:  #ionospheric_wave__ionosphericwave  a sky wave that is reflected by the ionosphere
  subtype:  #ground_wave  a radio wave propagated on or near the earth's surface
  subtype:  #radio_signal__radiosignal  a radio wave used to transmit and receive messages
  subtype:  #carrier_wave__carrierwave__carrier  a radio wave that can be modulated in order to transmit a signal
  subtype:  #short_wave__shortwave  a radio wave with a wavelength less than 100 meters
  subtype:  #long_wave  a radio wave with a frequency less than 300 kilohertz

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