% 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) 139 87 106 116 142 202 410 575 582 492 460 361 453 395 350 284 267 264 276 236 207 194 216 181 147 186 151 191 168 141 158 101 101 115 123 92 74 92 77 72 80 112 56 17 48 61 70 62 41 -42 -16 -17 51 24 -48 18 43 39 -12 -40 -16 -32 -5 11