% 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)
     139
      43
      50
     146
     246
     446
     821
    1055
     815
     952
    1352
    1056
     823
     877
     860
     536
     459
     411
     495
     345
     372
     311
     327
     282
     303
     227
     229
     202
     246
     196
     214
     192
     166
     121
     150
     149
     138
      91
      85
      92
      94
      63
      68
      87
      62
      64
      54
      47
      -5
      52
      45
      42
      37
      47
      42
       4
     -39
     -48
     -19
     -43
     -38
     -47
     -34
     -31