% 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)
      64
      52
      43
     121
     151
     171
     186
     282
     248
     168
     239
     177
     156
     151
     188
     232
     261
     367
     400
     397
     297
     327
     278
     254
     212
     201
     181
     196
     166
     147
     180
     154
     105
     124
     107
     124
     101
      86
      87
      82
     101
      90
      75
      77
      43
      65
      49
      19
     -10
      29
      57
      -6
      55
      29
     -25
      -6
     -25
     -33
      -6
     -32
     -15
      12
     -33
     -15