"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -38.26459
        63,  -42.75875
       125,  -50.72958
       250,  -56.57308
       500,   -44.1778
      1000,  -20.88022
      2000,  -39.35683
      4000,  -45.74275
      8000,  -50.00207
     16000,  -66.60129