"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -47.63285
        63,  -46.18818
       125,  -52.11096
       250,  -58.43905
       500,  -40.15413
      1000,  -26.88775
      2000,  -45.40923
      4000,    -59.704
      8000,  -68.66979
     16000,  -73.84848