% 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) 90 130 121 111 235 365 735 1120 657 401 357 329 380 544 586 538 513 539 463 407 348 315 239 227 258 254 152 237 213 166 172 144 156 104 128 121 136 100 111 97 103 74 100 22 71 74 77 39 42 39 46 20 33 -28 -30 17 -30 -34 5 -27 -34 -27 -22 -17