% 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)
    4067
     457
     272
     287
     250
     228
     309
     513
     446
     473
     420
     312
     330
     330
     318
     296
     352
     401
     342
     332
     257
     331
     283
     249
     246
     220
     220
     179
     180
     182
     193
     164
     194
     157
     144
     179
     160
     113
     158
     124
     154
      68
      76
     126
     128
     109
      73
      93
      71
      16
     -23
      68
     -11
      67
     -63
     -71
     -28
     -59
      38
     -39
      35
      40
      82
     -42