% 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) 197 143 102 126 168 283 643 914 915 899 563 796 589 858 414 463 459 420 389 450 347 368 336 291 309 268 279 236 220 179 221 177 168 174 115 145 128 96 132 91 86 102 42 76 80 79 65 42 -33 38 61 -59 25 -26 21 25 -21 13 57 -42 17 -47 -24 -17