% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 2316 939 733 613 552 745 740 524 436 544 706 695 1144 2724 2399 2433 1680 1275 1470 1267 923 909 980 935 1134 1046 776 1019 833 622 1170 663 666 714 682 676 555 511 663 507 490 548 227 132 399 300 445 342 230 225 248 190 213 268 196 234 -67 64 253 24 185 249 158 212 171 -56 57 77 126 -153 129 -132 -117 92 145 -136 123 166 51 -88 -95 -90 67 -103 152 -108 -67 -104 112 193 115 128 32 -17 -176 -80 191 -105 68 -114 57 -57 -107 -132 4 67 -48 -86 85 57 -98 251 40 41 -48 153 -104 -155 162 -108 87 -103 -22 -37 -156 100 130 -39