% 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)
      81
      76
      82
      67
      99
     231
     507
     894
    1182
    1496
    1098
    1031
    1038
     516
     681
     563
     540
     592
     464
     453
     394
     393
     323
     377
     263
     278
     279
     236
     190
     159
     163
     171
     126
     161
     143
     149
     147
     109
     110
     115
     112
      95
      88
      79
      55
      79
      37
      49
      30
      50
      31
       4
      17
       7
     -38
      38
     -15
      13
     -35
     -34
     -29
      24
      31
     -46