% 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) 167 125 80 -23 56 17 68 136 97 111 106 151 255 380 592 667 636 641 459 424 341 539 439 381 381 495 454 821 629 437 606 528 466 341 468 346 330 461 347 350 285 369 451 344 330 235 286 262 220 253 237 223 243 201 194 237 240 164 167 158 234 201 128 187 145 162 140 128 105 97 107 117 86 133 75 113 91 38 126 86 94 83 71 39 49 78 76 95 52 67 38 60 47 54 55 34 30 38 45 45 46 -20 47 39 25 28 -25 -31 50 -33 39 0 -44 -30 -16 61 -37 -51 -47 7 -49 -54 -25 -15 52 -42 -40 -24