"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -48.76018
        63,  -45.48219
       125,  -53.56421
       250,  -62.05336
       500,  -40.71302
      1000,  -31.02198
      2000,  -55.30688
      4000,  -63.25759
      8000,  -70.72211
     16000,  -78.09496