% Echo Location Surface Spectrum in units of mm/sqrt(Hz)
% 128 Frequency Bands are 0.00781250 Hz wide
    1297
     255
     225
     120
     201
     152
     125
     138
     145
     169
     162
     122
     219
     189
     511
     379
     307
     282
     502
     601
     547
     486
     338
     425
     348
     555
     784
     573
     329
     241
     253
     276
     240
     168
     210
     281
     162
     161
     174
     114
     195
     173
     190
      99
     178
     133
     107
     143
      78
      79
     124
     137
     119
     -32
     181
     120
      95
      65
      97
      67
     -83
     -44
     -62
      49
      66
     -61
      89
     -89
     104
     119
     -45
     -72
    -108
     -18
      42
     -19
      34
     -64
     -94
      35
     120
     -75
     -99
     -74
      68
      23
      48
      72
     146
     -57
     -30
      82
     -34
     -71
    -109
     -36
    -110
      44
     -87
     114
      75
      98
      45
      63
     -82
     112
     -60
     -77
      47
     -44
      52
     -16
     -33
      29
     -79
      71
     -73
      51
     -71
     104
      83
      20
    -100
     -85
      81
     -46
      35
     -81