% 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)
    2355
     301
     330
     240
     302
     321
     381
     418
     552
     536
     682
     515
     557
     519
     466
     418
     250
     277
     238
     261
     197
     238
     231
     290
     363
     176
     256
     260
     231
     286
     270
     257
     235
     242
     239
     274
     279
     215
     252
     200
     168
     142
     150
      46
     -99
     -75
     127
     139
     133
     168
     134
     -54
      80
      50
    -147
     -68
      83
     -69
     -73
     -82
    -108
     -27
    -142
     -33