"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -39.75833
        63,  -39.28164
       125,  -45.76024
       250,  -50.47002
       500,  -42.03224
      1000,  -32.32589
      2000,   -57.4384
      4000,  -65.46127
      8000,  -71.41148
     16000,  -81.14002