#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
  subtype:  #sky_wave  #ground_wave  #radio_signal  #carrier_wave  #short_wave  #long_wave
  part of:  #radio_spectrum__radiospectrum__radio-frequency_spectrum__radiofrequencyspectrum  the entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television
     part of:  #electromagnetic_spectrum__electromagneticspectrum  the entire frequency range of electromagnetic waves

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