"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -44.16237
        63,  -41.92416
       125,   -50.6988
       250,   -58.8133
       500,  -38.13626
      1000,  -27.06599
      2000,  -41.80633
      4000,  -60.87306
      8000,  -57.05704
     16000,  -71.05618