% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 54 54 23 -21 -15 22 62 73 73 115 59 91 67 101 84 99 86 131 145 165 192 194 142 190 58 96 82 64 -29 49 55 57 69 63 117 94 112 151 158 184 75 104 152 126 120 109 104 65 95 87 83 92 85 74 73 36 90 65 111 73 48 41 84 55 83 60 60 50 44 48 78 38 35 46 34 56 36 34 26 44 49 57 40 34 31 26 42 -6 26 27 40 -32 21 40 13 7 21 38 -7 30 -11 13 14 -9 14 39 -18 2 -31 15 -25 -19 -29 -25 -2 16 4 -21 10 17 -13 -25 34 -13 -12 -39 25 -25