% 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)
     122
      91
      83
      52
      81
     153
     172
     319
     590
    1247
    1395
    1290
    1127
     783
     855
     705
     657
     580
     459
     523
     453
     421
     354
     343
     253
     308
     255
     249
     260
     210
     168
     173
     188
     169
     130
     125
     135
     121
     118
      96
     104
      98
      73
      54
      67
      61
      64
      32
      36
      59
      23
     -28
      44
     -25
     -12
      30
      26
      22
      22
     -42
     -48
     -37
     -33
     -42