% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 73 114 65 63 24 -24 33 65 57 104 96 363 499 598 691 573 287 199 253 131 159 184 169 138 120 146 131 218 164 209 179 212 217 219 237 232 297 205 207 227 223 180 90 165 107 121 144 103 101 99 85 194 82 83 86 56 83 59 28 6 62 75 -14 20 39 -31 -8 29 31 19 23 3 48 -33 -26 -13 -28 41 -19 23 -24 7 -20 -22 -14 -28 -18 36 -7 32 10 -21 35 -8 -34 -23 36 30 -28 18 -20 -15 -23 39 -25 -25 33 8 33 -24 38 -2 -5 -16 21 11 6 16 -23 35 -27 -23 -26 -24 22 23 -35 -33