% 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)
     128
      94
      72
      97
     173
     682
    1497
     973
    1829
    1437
    1485
    1514
    1160
    1050
     863
     623
     683
     587
     575
     430
     379
     426
     331
     408
     311
     291
     318
     294
     223
     238
     200
     160
     145
     141
     132
     140
     140
      99
     115
     112
      73
      90
      63
      47
      78
      56
      58
      40
      49
      46
      47
      18
      18
      18
     -29
      29
     -17
     -28
     -19
     -35
     -26
     -29
     -28
     -41