"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -42.91798
        63,  -44.01289
       125,  -52.73302
       250,  -61.92865
       500,  -42.14919
      1000,   -19.6158
      2000,   -46.3178
      4000,  -50.19223
      8000,  -56.99107
     16000,   -67.2679