% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 751 254 263 275 184 165 205 98 -105 96 88 344 545 812 1230 954 632 578 579 419 543 563 525 324 308 385 548 343 366 315 352 253 268 253 247 403 129 96 218 150 158 221 272 148 121 165 211 197 108 136 156 -54 -93 122 153 195 146 -59 159 122 149 -61 -88 33 39 148 121 180 164 74 -65 -88 -88 127 -117 -47 -85 -90 -119 -127 91 117 132 20 -65 -111 88 150 99 -67 96 -95 -128 -71 62 35 -71 -38 -110 -85 -95 -93 -41 80 -111 169 59 -73 -102 -93 102 -92 47 85 -71 -121 160 78 38 -83 116 -125 -19 -80 97 46 85 117