% 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) 86 67 74 82 146 183 269 489 499 324 335 400 351 306 267 249 210 133 157 185 206 288 358 366 432 330 295 201 179 184 148 118 114 112 127 127 119 112 89 104 94 100 69 65 91 60 68 22 37 40 8 -23 -20 19 -43 -11 -28 -40 35 -39 18 36 -26 34