% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 115 26 48 91 35 15 71 166 179 108 173 215 259 156 206 336 426 191 447 275 267 221 335 268 280 215 158 121 255 137 168 154 145 143 156 76 58 101 110 60 81 69 51 63 64 39 59 48 69 76 46 48 53 52 84 72 58 91 73 79 64 49 48 98 47 33 52 79 33 65 -16 39 32 52 -19 56 11 11 -31 -1 19 51 -15 15 11 -37 -20 8 29 -25 -20 -37 -16 21 -7 -34 -31 33 -27 6 4 -25 42 -26 14 9 -25 19 -11 18 6 -17 -15 17 28 13 35 15 -20 11 -14 -25 -22 20 -24 -35 27 11