% 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) 181 172 126 56 -17 31 35 64 111 96 82 173 335 301 369 362 431 282 237 317 349 283 235 241 237 184 153 186 187 170 260 353 577 554 528 499 420 408 396 266 254 380 370 254 244 301 219 230 245 230 162 196 218 165 193 188 234 136 145 180 165 182 161 138 146 178 116 116 115 111 143 117 92 109 94 85 90 113 80 87 84 66 98 68 75 66 55 41 70 58 82 59 44 49 56 22 9 31 41 50 31 39 24 27 30 35 -37 57 -22 -41 -19 -21 -31 -15 -23 -25 16 -2 -33 -9 -21 -42 -47 12 19 -21 -37 14