% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 573 219 151 92 141 102 166 144 184 264 162 248 154 205 175 200 191 195 267 159 206 237 276 317 375 302 358 370 320 241 308 163 147 151 131 130 113 128 138 102 103 89 109 115 93 97 85 88 83 64 66 57 56 69 60 64 61 68 51 76 57 39 35 48 53 38 45 32 45 41 38 16 60 -10 43 27 22 28 46 23 40 20 9 -19 5 25 33 44 5 31 24 18 16 -11 17 -19 -11 -20 14 -18 20 23 28 -18 -11 -14 10 -14 -17 16 18 -29 -21 -10 8 -11 10 25 11 -19 13 6 -10 34 -23 35 -13 -20