% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 69 68 48 62 34 51 45 158 120 49 132 199 121 132 110 149 200 222 241 190 144 97 143 86 101 71 78 119 103 84 80 63 89 69 78 113 47 112 110 137 188 187 147 164 197 193 247 113 113 117 136 111 143 114 73 77 105 135 127 49 71 69 78 80 77 71 45 85 65 74 73 46 54 76 47 38 64 31 53 36 55 45 68 38 56 63 37 30 12 36 21 54 -12 45 -27 27 -24 44 33 -27 9 28 22 40 30 27 -24 -17 -27 6 -14 5 -15 18 14 -23 -27 19 33 -29 1 -21 -29 -17 -22 -29 -21 -18