% Echo Location Surface Spectrum in units of mm/sqrt(Hz)
% 64 Frequency Bands are 0.01562500 Hz wide(first frequency band is centered at 0.00830078)
     112
      90
     117
     111
     207
     946
    1712
    2916
    1596
    1705
     960
    1187
    1196
    1237
     889
     584
     640
     631
     524
     489
     391
     384
     402
     330
     342
     292
     231
     267
     263
     242
     149
     165
     116
     134
     127
     123
     109
     110
     105
     115
      86
      81
      79
      72
      54
      64
      40
      51
      62
      53
     -14
      40
     -13
     -21
     -45
     -40
      17
     -36
     -23
     -19
      37
     -33
     -25
     -21