% 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) 64 76 64 71 221 168 226 307 306 405 1049 1078 1284 875 694 769 565 570 372 408 396 342 348 307 292 258 207 186 178 188 161 155 156 147 107 127 102 88 117 89 83 60 69 47 47 52 51 46 39 22 36 29 36 -11 -23 -38 -32 6 -24 -30 21 -16 -19 -26