This coaxial cable carries several megawatts of radio frequency power into the tokamak to heat the plasma inside at the ion-cyclotron resonance frequency. christopher a. maynor—The Tech May. 9, 2016 Facebook Twitter Reddit Print This coaxial cable carries several megawatts of radio frequency power into the tokamak to heat the plasma inside at the ion-cyclotron resonance frequency. christopher a. maynor—The Tech