% 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) 108 83 18 70 173 256 789 850 678 791 1015 892 923 1007 825 595 549 382 524 393 407 374 329 292 284 273 252 195 207 194 185 176 151 148 140 121 123 110 106 94 99 93 79 74 74 48 68 51 33 39 39 -21 19 -20 7 11 19 -4 -38 -22 26 -23 -33 -36