% 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) 117 54 5 58 43 23 -6 40 65 188 308 295 352 449 556 565 347 334 265 286 227 234 180 212 231 317 245 488 333 625 409 581 491 526 537 331 393 431 295 312 252 353 302 309 251 224 237 285 198 319 178 187 194 190 224 197 214 203 151 179 103 167 158 173 153 149 102 168 146 141 146 152 102 128 135 98 134 107 121 84 75 74 80 79 99 80 49 94 67 27 37 40 -41 35 63 21 54 -4 45 58 -31 54 20 41 29 -30 -23 40 -21 52 17 -50 -31 15 -54 -45 8 41 -8 65 26 -34 21 24 -55 -55 -46 -27