% 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) 127 100 64 137 332 202 171 257 263 288 605 548 409 425 369 293 318 294 299 373 445 389 367 275 256 252 230 183 195 208 186 194 145 171 156 136 121 114 92 123 101 66 60 50 70 50 56 37 32 33 24 18 23 25 -25 -33 16 -24 -26 -32 27 -9 21 -21