% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 181 112 55 74 65 55 26 23 41 132 112 104 140 135 118 113 140 165 110 137 202 99 126 210 211 176 184 124 286 161 126 148 143 129 130 124 100 83 112 83 81 88 90 65 91 80 89 59 79 62 75 82 133 122 90 69 51 -34 52 42 10 -10 33 32 53 46 100 64 48 71 71 27 -7 65 75 23 18 -17 37 -11 28 32 66 34 44 38 24 -22 -17 -33 52 -19 37 25 -29 -18 35 49 -7 -37 -35 11 40 -28 -21 -23 -21 13 -41 36 9 25 22 -18 13 39 -18 -15 -24 31 -24 -8 -8 37 26 -21 -39 -42