% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 87 75 101 77 47 54 58 48 71 75 67 75 124 110 84 83 98 114 30 60 5 41 35 -34 -17 37 39 71 101 46 72 60 70 20 55 44 8 43 65 82 115 140 114 148 163 153 134 192 148 154 205 134 180 153 156 147 139 116 133 146 120 87 137 96 137 108 62 75 105 72 94 55 37 62 57 30 65 69 49 79 56 61 58 61 61 50 54 -25 40 11 37 20 -17 -29 64 -21 34 -22 -22 17 16 38 36 -40 50 31 28 49 27 30 27 -28 -32 -38 11 -35 22 -8 -22 24 -23 -40 -40 9 -24 -28 -35 -24