% 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)
      94
      48
      57
     122
     142
     176
     427
     438
     534
     501
    1092
    1333
    1115
     881
     580
     563
     593
     590
     446
     453
     311
     416
     360
     367
     356
     258
     273
     239
     199
     191
     189
     162
     178
     155
     178
     136
     133
      98
     106
      98
      97
      85
      85
      65
      63
      82
      58
      56
      43
      38
      26
      34
     -35
      25
      -7
      22
      25
      46
      18
     -42
     -38
     -11
     -40
     -56