% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 120 87 67 37 64 41 48 40 57 62 65 62 52 61 61 76 137 164 199 173 182 195 170 161 182 136 158 152 76 88 83 85 23 56 71 47 32 32 36 37 5 34 42 34 23 -9 27 16 18 39 -14 46 21 -17 20 -36 -23 12 -17 -17 -22 -29 -25 -25 -12 10 18 -31 -24 21 -34 -30 -18 20 19 -34 -34 -27 29 -24 -35 15 -35 -17 -30 -14 -18 -21 23 -12 -33 -33 -29 -7 -6 7 -17 -31 34 -24 -21 23 28 -8 27 -19 -14 -32 -22 -15 -17 -9 -30 -14 -13 -28 -17 16 -7 -20 -6 26 24 24 35 26 12 43