% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 434 146 118 113 115 99 118 140 136 303 213 208 182 102 160 324 200 513 300 276 259 296 177 165 110 203 150 103 140 99 86 81 100 92 87 99 118 88 114 100 83 66 14 38 46 37 51 -21 44 51 17 33 15 29 83 30 32 9 24 28 15 26 -27 39 -38 31 31 -10 44 -11 21 -24 15 18 13 31 61 27 13 -27 59 -31 33 32 -6 22 32 -24 -36 7 26 -34 40 39 -36 -26 -40 -29 29 24 12 29 53 -25 -17 -28 31 -25 71 -36 -37 -17 24 -34 -14 54 30 29 25 41 -33 46 -14 -32 -39 15 6 -20