% 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) 137 79 75 50 103 155 310 546 462 490 381 431 450 447 349 382 289 335 292 294 212 201 197 262 167 211 186 162 147 130 133 159 143 107 133 118 121 102 119 102 99 82 72 57 83 71 59 56 -25 39 -31 22 16 12 38 45 -27 -33 45 13 -37 -37 -29 -34