% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 64 Frequency Bands are 0.01562500 Hz wide(first frequency band is centered at 0.00830078) 83 58 23 117 810 1052 1084 610 511 515 412 503 944 1017 1037 741 448 520 496 479 402 376 324 356 306 330 243 251 177 212 241 178 136 158 120 133 140 82 118 112 83 80 76 81 83 49 54 40 48 31 51 41 30 -23 -25 20 -20 28 -21 -41 -36 -39 -18 -51