% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 344 67 78 69 31 97 56 81 187 97 43 160 212 159 135 112 162 132 180 144 136 173 128 117 159 184 152 147 161 158 130 129 153 124 144 114 79 120 31 82 121 37 14 90 46 66 97 61 47 58 36 65 52 72 58 -35 24 45 71 43 37 79 40 85 70 87 66 28 37 52 63 64 65 -29 28 -34 33 34 57 -12 39 11 9 74 24 55 34 31 40 17 -28 -19 -12 -40 9 21 -24 -25 3 -43 -21 23 37 32 -20 60 19 27 59 -41 23 -14 3 -11 -37 -19 -29 -25 -46 -6 -34 57 27 29 -29 33 -20 -43