% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 58 102 59 63 -34 -24 27 40 38 50 53 36 142 118 138 175 234 320 363 398 324 642 364 507 317 455 190 208 133 160 98 140 106 124 101 68 91 38 80 30 -17 20 49 37 -24 45 -17 54 8 25 -35 62 54 25 61 70 69 65 96 83 61 81 110 152 135 71 110 85 136 88 84 83 96 63 58 64 61 110 85 51 67 75 36 52 43 69 64 52 27 54 -23 -28 25 -31 26 21 36 5 6 35 40 -13 -26 10 -16 -28 24 16 50 14 15 15 -19 24 -10 22 -29 -34 21 20 -17 5 -4 -33 9 -16 30 -32