% 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) 129 106 61 54 227 414 569 505 600 436 400 302 248 212 241 342 572 508 524 408 267 297 284 208 209 207 225 200 196 186 166 148 135 129 133 129 104 94 83 59 68 65 70 34 76 23 43 44 32 32 28 20 39 -22 -36 22 -17 27 -41 -25 -4 -26 -35 31