% 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) 145 120 104 95 121 195 468 565 697 710 723 442 427 405 339 309 406 371 282 284 332 265 238 227 210 224 167 193 170 153 160 140 149 104 138 132 122 95 87 79 71 77 51 41 50 60 19 5 -11 -25 -21 33 26 17 -9 17 -36 12 -19 20 -12 24 24 -33