% 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) 127 131 95 102 72 59 17 108 283 776 1188 813 649 601 688 619 639 695 628 467 451 689 949 1108 738 697 862 847 864 856 700 635 588 736 473 518 417 483 429 410 456 451 438 369 269 350 333 269 253 282 223 251 253 232 295 202 252 247 248 197 177 180 159 185 134 100 136 159 151 122 127 122 104 138 99 126 99 112 126 110 93 121 75 74 80 60 76 51 61 60 50 36 27 49 65 13 72 59 26 61 70 21 26 25 -30 -1 62 53 -36 -11 14 -28 -27 -15 -48 -32 -20 -33 11 -44 -45 -23 -46 -36 -31 -33 25 -39