% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide(first frequency band is centered at 0.00439453) 121 114 80 39 48 62 65 31 149 244 418 851 758 1296 1971 1417 966 876 705 913 1078 856 1105 1738 1202 922 1140 900 899 677 537 757 700 518 662 493 426 512 552 435 432 411 345 397 384 358 345 367 391 340 312 237 200 310 310 177 239 280 244 198 176 190 159 215 202 185 164 187 138 151 154 121 128 141 102 84 94 136 98 109 80 78 78 90 104 87 45 47 71 79 56 78 64 66 66 43 57 53 57 -16 -12 -11 44 51 -28 49 21 7 29 -28 33 16 -17 5 -19 -20 -35 -34 38 -48 -48 -39 -47 -44 21 -23 -38 16