% 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) 240 137 132 95 86 85 97 74 280 262 240 351 705 584 447 609 600 704 546 739 478 432 508 403 453 500 571 336 405 470 673 616 365 417 513 391 335 265 359 377 268 297 310 297 249 317 308 241 249 250 240 249 205 200 250 195 190 238 218 216 147 133 170 226 182 148 142 143 168 182 149 134 98 153 112 118 80 122 130 102 73 56 94 93 113 60 95 72 60 42 50 67 45 29 55 58 17 37 22 36 -25 78 -14 22 -8 33 23 40 39 -33 29 -42 12 -30 -46 -41 -14 -13 -30 -19 -36 -31 -20 24 -15 -27 -55 18