% 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) 109 84 69 43 175 672 1174 1969 2009 1591 1023 1301 636 890 678 522 559 504 577 448 412 394 311 267 285 242 206 209 174 174 219 158 143 166 143 128 99 124 102 115 87 92 87 77 79 37 46 39 34 53 42 -21 16 30 25 21 -45 26 -32 20 -44 -40 -32 -32