% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 118 58 38 -26 55 -21 17 -15 -18 58 36 57 120 222 146 222 199 124 30 61 79 38 -40 -24 -46 -46 -45 -38 -45 -49 -48 -46 -41 -39 29 -39 41 40 -23 -8 -28 -19 9 46 6 -20 -9 22 27 18 43 33 58 55 48 24 -35 -34 15 -27 -36 40 -39 -28 -36 38 -36 -30 8 25 -4 -30 -33 -36 -42 -23 -30 -38 -39 -42 -52 -33 -47 -45 -33 -43 -19 -43 -46 -45 -39 -34 -29 17 -45 -29 -35 -27 26 -11 -21 24 32 17 15 -31 48 -38 -26 -26 45 20 -20 -14 39 -8 36 16 53 -20 -20 -43 18 14 -11 -27 -41 -39