% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 117 85 42 16 -35 -6 46 92 166 229 245 158 106 171 186 174 125 170 217 145 177 104 150 118 119 124 80 82 66 64 51 49 102 82 89 -1 54 51 60 32 45 17 53 72 56 20 86 81 116 68 52 104 70 80 102 79 96 98 76 125 81 103 71 78 78 61 115 79 89 18 92 80 74 104 79 41 33 71 29 47 56 43 -7 48 49 51 48 58 53 21 45 -17 -19 34 32 7 40 -22 11 -27 -16 29 10 15 -1 24 62 -14 50 2 32 18 -26 -29 -37 -31 -18 35 35 -33 -22 16 -29 22 29 -38 -32 -22