"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -45.74746
        63,  -42.96584
       125,  -44.36398
       250,  -56.26033
       500,  -44.55257
      1000,   -30.1748
      2000,  -47.29399
      4000,  -51.82081
      8000,   -65.8103
     16000,  -79.22617