% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 429 214 160 151 107 122 118 101 104 141 127 96 110 101 131 202 207 181 166 133 156 95 105 116 84 62 69 67 89 108 46 89 86 67 65 70 75 63 40 70 43 66 38 53 83 92 65 12 54 62 45 37 26 64 34 26 43 68 29 37 75 56 55 42 48 56 52 23 -7 -29 38 25 38 29 -14 46 -31 14 -37 33 -22 -28 35 -30 21 4 11 48 18 -23 -18 33 -28 -15 -25 29 -14 -28 25 15 -8 -23 -28 -16 -3 -36 -19 -28 -19 33 -30 -17 36 8 20 -30 -17 14 21 33 28 32 30 -16 9 39 21 18