% Echo Location Surface Spectrum in units of mm/sqrt(Hz)
% 128 Frequency Bands are 0.00781250 Hz wide(first frequency band is centered at 0.00439453)
    2688
     915
     673
     426
     366
     289
     270
     293
     246
     232
     254
     246
     421
     546
     670
     740
     598
     737
     587
     664
     785
     542
     637
     412
     414
     389
     244
     257
     290
     271
     126
     236
     161
     199
     221
     188
     206
     223
      88
     154
     247
     106
     189
     153
     186
      63
     137
     129
     192
     107
      91
     134
     120
     -43
      79
     -79
     150
      35
      88
     117
      58
      67
      92
      36
      58
     -28
      58
      39
      60
      87
      54
      60
     -48
      85
      59
      40
     -99
    -129
     -50
     -94
     -54
    -105
      76
      61
     -25
     -57
      24
      50
    -103
     -63
     -81
      62
     -88
      83
     -65
      41
     -54
      47
     -68
     -70
      60
     -39
     -34
      -8
      67
      53
     -80
      54
     103
     -62
    -113
     -44
     -97
     119
      70
      61
      73
     -68
    -121
     118
    -106
      88
     -45
     -60
      78
      71
      69
     -81