% 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) 280 166 133 111 113 69 81 94 226 238 335 673 687 689 703 532 615 296 571 616 802 392 649 532 399 502 448 384 487 531 508 363 338 398 269 252 347 344 305 262 281 287 269 227 291 258 273 249 212 307 241 243 227 260 185 212 219 175 221 196 200 162 164 150 173 173 142 145 133 121 138 100 144 108 134 124 106 110 80 104 132 77 58 84 57 88 43 78 9 42 38 80 53 62 -21 43 55 80 42 22 27 -40 42 25 49 -16 -39 18 -19 23 -26 -33 -14 -9 -14 -21 39 -21 -45 -49 -52 -48 50 -18 26 -23 -33 -47