% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 187 73 84 57 41 100 65 194 203 187 120 250 254 287 227 211 162 181 146 177 119 64 83 107 88 55 -13 84 83 43 49 31 -22 38 -14 34 33 45 -29 -32 -21 -20 -14 -17 -23 -35 -34 -28 -29 -26 -29 -21 -42 -38 12 -17 -30 -38 -23 -35 -42 -29 -26 -27 -30 -36 -31 -40 -23 -40 -27 -32 -44 -45 -35 -33 -7 -32 10 -30 -39 -41 -24 -37 -33 -35 -32 27 -22 -8 -33 -45 -22 28 -7 -28 -21 -33 -24 18 9 9 -30 -14 -28 35 -21 -11 37 11 -26 31 -36 42 45 48 -2 -24 56 -31 -22 -18 8 -8 19 -11 14 -34