% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide(first frequency band is centered at 0.00439453) 125 115 106 91 94 52 93 53 57 186 273 321 297 258 314 495 514 386 442 570 1540 1036 720 1456 1197 944 1135 557 991 833 647 721 777 541 359 408 457 410 270 432 410 394 314 358 341 311 298 339 288 244 252 297 239 234 267 223 147 173 180 217 177 169 152 129 162 147 116 177 122 119 121 97 120 80 101 87 111 105 84 112 75 48 86 116 77 60 68 89 72 52 51 86 -22 22 63 29 80 26 59 29 25 31 -25 64 -33 46 44 -30 -7 33 -46 59 -38 39 23 -11 14 -22 -48 -34 -45 -37 -12 -39 -39 -43 -37 -42