% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 91 42 34 26 67 51 -7 75 113 100 88 87 175 222 226 255 258 276 103 58 40 84 54 -45 21 -33 -35 -48 -46 -37 -42 52 -16 72 60 46 45 -28 75 56 51 41 73 96 84 60 18 54 56 36 -31 40 -23 19 -37 15 -24 -43 -37 -43 -42 -43 -51 -44 -27 -22 -47 -50 -29 -52 -8 -48 -50 -43 -45 -43 -35 -42 -38 -33 -34 -49 -40 -37 -17 -28 -39 -44 -46 -31 -33 -44 -25 -46 -37 -32 -32 -30 -25 40 6 -19 -27 31 -30 -27 35 -12 -10 21 -25 -18 -26 -6 18 -27 17 25 27 -23 15 15 -30 32 15 32 -4 27