% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 188 101 105 118 67 51 29 43 58 196 142 175 403 740 1223 1058 1134 710 614 373 300 276 261 173 203 181 175 104 165 203 162 101 103 103 24 78 58 73 28 27 19 -28 25 30 37 -20 -34 -12 -34 30 -34 -20 38 -26 -27 -40 -29 -4 -23 38 31 -35 16 22 -21 -27 -22 -32 -39 42 31 45 57 24 -30 -26 15 28 -14 -35 41 21 52 38 -33 24 14 -34 26 13 38 51 42 -14 31 44 1 45 37 26 -24 32 25 7 8 23 56 26 32 -22 -18 19 -37 -41 -32 -23 -30 15 -35 35 12 -30 -37 -16 28 -14 -36 -24