% 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) 274 102 80 108 151 224 359 1123 669 450 477 349 239 222 187 185 129 113 108 98 65 52 92 106 144 101 186 176 190 239 265 215 197 178 154 130 145 120 108 135 80 65 37 61 52 55 52 39 47 17 -32 -32 24 25 -22 60 -27 -37 34 -50 -34 47 24 -20