% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 542 210 215 179 148 151 120 162 94 151 100 186 255 318 335 329 145 271 306 130 148 148 220 184 229 94 67 206 249 273 206 186 280 303 225 210 125 208 207 257 166 206 174 117 157 153 121 127 137 227 87 98 138 146 173 80 107 -74 90 99 92 32 137 106 139 111 71 44 165 32 25 74 4 98 -69 50 -49 -82 -76 56 -92 -91 49 -30 -55 -68 -79 100 -40 -58 -85 68 84 100 39 -42 -83 -90 -77 106 73 -23 -52 -75 -48 75 64 28 69 94 -22 60 78 -37 27 51 46 122 -27 -90 -64 -93 -81 49 12 80 62 -86