% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 134 120 80 67 54 37 37 86 144 79 89 128 264 519 595 372 328 401 284 185 303 232 277 237 133 130 143 154 89 101 147 158 127 203 179 173 156 181 205 211 227 248 228 228 169 112 132 86 140 98 120 149 136 146 61 128 105 106 85 84 95 70 81 74 85 79 57 88 55 75 9 46 82 61 63 65 39 11 45 82 50 39 42 33 32 39 45 -17 -14 -12 -26 -38 -40 37 35 -16 -2 10 -38 -35 -22 -6 -13 -33 -26 37 50 -33 22 -19 -35 25 -6 18 -4 20 -19 18 -31 27 -28 12 -16 -7 -12 58 16 8