% 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) 1653 700 723 680 459 326 361 378 792 1548 2544 5853 4290 3335 4694 3069 3326 2864 2394 2009 2400 2611 1902 1856 1686 1425 1227 1209 1408 1167 1106 986 809 891 826 560 697 619 563 606 583 426 427 479 505 461 504 356 365 337 326 278 203 304 304 299 264 249 252 191 239 184 198 200 166 192 194 196 200 196 161 148 165 99 131 150 133 98 72 132 91 107 91 -67 21 70 83 83 92 14 41 65 14 75 47 -66 -41 30 -26 -26 21 52 57 83 -26 46 86 55 -26 -28 -48 -40 -26 -35 -34 13 -34 17 -35 -27 -64 38 22 -62 -48 -21 -51 -20