% Echo Location Surface Spectrum in units of mm/sqrt(Hz)
% 128 Frequency Bands are 0.00781250 Hz wide
    1492
     635
     570
     430
     398
     473
     418
     241
     401
     469
     235
     261
     339
     414
     366
     426
     378
     366
     265
     244
     385
     238
     430
     338
     121
     143
     128
     217
      95
     104
      80
     191
     173
      79
     -97
    -113
     130
     145
     119
     256
     236
     160
     173
     124
     -95
     120
     178
      94
     135
     185
     153
     105
     125
      56
     -66
     -77
     137
     121
     188
      42
     153
     175
     -92
    -145
      67
      62
    -128
     -30
     -88
     186
      35
     119
     143
     153
     -65
    -117
     -66
      65
    -117
    -108
     120
    -106
     141
    -151
    -108
     221
     151
    -107
      65
     -95
     -91
     -48
      17
     -44
     -86
     174
    -117
     -13
     -95
     -23
     168
    -148
      86
     -90
     120
    -148
     167
     -46
     -76
     -71
      94
     197
      93
    -136
     160
      64
     104
     140
     134
    -123
     103
    -142
    -132
     -82
     -72
      75
     -75
    -122