% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 114 74 84 45 63 -10 -15 64 107 158 173 206 195 312 190 281 121 135 63 89 67 95 42 53 70 43 13 30 59 34 -15 -25 -23 17 -20 -41 -38 -41 -44 13 -23 -22 -42 -43 -40 -40 -46 -25 -33 -43 -23 -38 5 25 -34 -13 33 -39 42 19 -11 54 34 71 55 38 94 51 61 45 54 74 74 47 53 33 56 89 48 48 20 58 55 28 -14 -32 22 16 34 41 -16 25 33 -32 49 36 -7 50 18 19 22 -6 -10 -28 -25 26 39 25 -13 18 25 -17 32 3 20 31 42 -27 -36 -38 -10 -29 -36 -33 -35 27 -21 -12