% 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) 138 117 61 63 128 328 722 708 529 472 422 410 492 340 566 427 429 408 462 394 424 276 340 307 279 292 236 248 195 188 176 156 176 141 158 163 134 112 90 108 86 73 52 54 70 59 49 46 39 39 36 8 36 28 -32 -36 8 -34 14 -33 -27 -15 17 -14