% 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)
    1955
     805
     239
     311
     191
     236
     175
     170
     184
     197
     205
     281
     312
     268
     303
     285
     324
     349
     299
     361
     267
     337
     271
     289
     266
     368
     309
     248
     351
     212
     190
     331
     235
     251
     178
     154
     239
     250
     232
     242
     349
     333
     201
     238
     284
     327
     280
     257
     351
     286
     436
     446
     312
     279
     153
     267
     293
     210
     236
     196
     187
     220
     176
     190
     183
     201
     168
     150
     185
     138
      63
     153
     201
     118
     185
     165
     152
      96
     119
      89
     -40
      75
     -33
      94
     139
      74
     159
     -21
     102
      78
     -90
     -65
     -46
     -78
     -73
     -15
      27
      98
     103
      26
     105
     -74
      30
     -51
     106
      63
      56
     108
     -71
     -62
    -104
    -102
     -68
     -86
      28
     -73
      80
      75
      23
     122
      69
     -77
     -59
      10
     -73
     -98
       8
     -28