% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 581 239 220 239 145 157 124 147 116 151 154 265 246 240 348 309 404 546 612 644 646 816 530 578 545 474 246 402 339 350 237 370 326 140 242 203 244 212 217 256 199 191 227 150 129 86 107 -81 122 73 20 113 23 53 116 110 145 144 -82 164 89 83 -76 54 39 95 -33 46 -73 134 188 63 -129 60 79 -58 112 54 -106 23 -35 -102 70 179 -104 106 -102 -78 -70 65 -92 124 74 -75 -135 77 -103 120 77 -40 14 150 -97 174 121 -107 95 94 131 102 -115 -127 -48 152 -97 -72 -103 -110 -119 -74 -112 -65 -28 -30 -74 45 -106 -61