% 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) 169 159 120 131 50 60 66 119 85 135 225 381 150 274 295 238 294 623 520 711 511 532 633 610 711 612 534 472 503 542 423 578 518 355 466 364 453 338 298 400 351 261 304 261 354 293 215 346 276 229 280 233 194 195 233 191 185 183 171 169 233 146 125 181 193 133 130 164 133 155 110 130 142 90 110 106 110 78 88 74 106 77 119 64 68 74 53 46 61 33 22 85 49 70 22 50 52 44 60 39 60 -33 63 -29 -48 63 -16 -38 -36 26 -31 -25 -31 66 -51 3 -46 -39 37 -42 -33 27 -42 -19 -34 -23 -42 -41