% 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) 220 175 93 108 102 102 54 121 452 663 958 697 514 654 742 611 564 293 326 389 251 252 218 207 176 196 168 178 224 273 381 436 502 588 577 646 547 313 488 400 318 335 369 330 320 240 287 305 356 260 253 214 335 228 215 219 158 155 169 150 230 165 178 168 155 138 149 163 129 122 160 138 124 109 92 80 101 86 112 80 80 104 56 77 39 83 48 73 31 49 54 37 52 63 67 43 60 63 -34 6 -34 58 23 55 39 -41 42 50 -43 35 37 -24 -58 15 15 -25 28 -36 -18 22 -49 -39 -23 13 -38 -39 -29 -50