% 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)
      23
      31
      21
     117
     107
     183
     404
     535
     446
     279
     227
     207
     209
     217
     205
     212
     167
     170
     178
     252
     203
     247
     247
     251
     316
     221
     258
     197
     175
     164
     120
     132
     108
     109
      86
      93
      98
      63
      77
      72
      66
      71
      54
      49
      58
      27
      53
      66
      38
      11
      35
      25
      42
      34
     -10
      11
     -13
     -27
     -34
     -29
     -31
     -30
     -17
     -25