"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -42.78515
        63,  -38.87399
       125,  -43.83574
       250,  -55.53822
       500,  -41.96479
      1000,  -23.59893
      2000,  -46.39287
      4000,  -55.82404
      8000,  -70.26471
     16000,  -77.20601