% 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) 157 160 112 100 80 49 20 104 130 75 161 224 261 491 623 746 1484 1054 2096 2417 1323 1475 1630 839 978 813 1159 1155 1236 838 891 657 1192 648 569 508 711 601 483 387 536 454 413 396 465 484 384 294 383 311 314 227 284 214 325 276 229 218 220 191 185 187 181 200 203 179 155 139 143 136 129 110 141 147 159 108 127 70 121 129 106 93 87 98 96 66 73 84 72 61 52 68 57 -13 66 69 25 33 59 35 -40 23 27 -18 26 21 8 38 -28 -37 -24 -2 -23 20 45 45 -40 -14 -25 -38 -7 -21 15 -29 -25 -43 -41 -21