% 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) 60 46 51 58 57 129 142 211 326 373 439 561 577 650 433 397 398 277 303 322 257 285 252 199 230 210 182 197 159 155 134 132 162 113 91 86 97 79 73 64 66 87 53 71 59 50 39 23 27 35 50 49 -6 30 -34 8 -20 -37 17 -31 10 -40 -31 -18