% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 119 76 44 4 -39 -40 -38 -36 44 -18 19 83 96 86 162 231 186 148 117 156 129 128 91 60 113 -31 54 46 -29 -32 71 71 57 48 104 61 72 131 77 186 111 145 101 125 129 116 94 167 92 104 91 53 105 142 88 79 65 61 70 54 118 69 37 75 87 43 70 76 86 82 52 67 34 58 51 56 67 27 42 -33 -35 39 38 -19 -28 36 66 36 41 -12 34 -19 -33 29 17 33 21 13 24 -8 -23 -26 -34 -8 6 18 -20 -22 21 9 17 -38 24 28 19 10 -34 -27 57 36 34 -39 38 -35 -28 32 -21 -20