% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 201 127 85 73 89 114 99 75 77 170 249 217 188 215 215 138 165 117 147 97 140 165 154 102 102 104 86 104 124 173 97 76 77 112 97 82 62 112 79 63 54 91 42 77 76 66 56 55 18 21 35 36 40 15 5 -8 -20 -29 -13 -32 13 26 3 -42 -35 19 -11 -27 -19 34 18 -19 -31 34 31 -4 -19 -15 42 -10 12 -31 41 27 33 -21 27 25 -33 33 23 -23 46 -32 9 34 26 -33 31 41 34 -28 17 54 13 39 22 -30 -39 23 -15 -18 -13 -30 -6 -36 24 20 42 -38 -13 -30 -21 -25 -15 -33 -5 15