% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 203 110 115 110 61 84 67 587 1400 997 784 379 248 156 96 313 326 427 647 467 526 597 367 317 338 441 325 365 251 219 226 216 132 182 158 115 132 171 115 130 89 130 114 118 109 101 102 88 80 87 81 69 71 62 65 63 35 51 47 44 46 34 17 -11 25 52 44 25 37 35 26 33 24 -24 1 21 34 23 14 -15 -10 -19 11 -17 -7 -26 -24 -14 -27 -32 -17 9 -25 33 -19 -30 9 -17 19 -27 -24 22 -22 -29 -30 -23 13 23 -7 24 -14 -20 -10 10 -21 -14 13 10 -19 -16 22 33 20 31 49 -17 -20 34