% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 1271 491 380 286 143 140 221 235 476 181 229 216 168 272 181 348 225 433 437 372 661 451 584 485 431 279 335 386 259 372 155 340 263 219 198 141 219 250 86 45 213 121 124 107 143 130 131 139 177 60 30 168 101 23 93 -62 -89 -27 56 70 49 96 58 164 159 -93 52 -27 84 -87 29 -78 68 -86 97 104 74 -118 122 -41 -38 -72 -125 -55 111 -28 66 44 -125 -88 68 -120 76 -107 82 154 110 -35 -49 -103 -106 -97 94 41 60 -95 -112 107 110 152 146 40 47 87 68 -75 -66 88 -90 27 -73 -87 85 -42 -89 -77 -130 -57