% 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
     -15
       6
     -30
      76
     196
     132
     266
     385
     229
     194
     173
     152
     231
     383
     581
     837
     501
     540
     407
     380
     326
     374
     248
     248
     267
     203
     228
     145
     210
     222
     136
     123
     162
     151
     121
     131
     120
     104
      91
      77
      87
      71
      61
      58
      59
      64
      54
      31
      13
      47
     -11
      14
      37
      22
     -19
     -17
      33
     -25
     -23
     -31
     -34
     -42
     -25