% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 156 84 103 109 77 76 85 103 154 120 201 161 147 289 268 200 91 195 169 156 218 267 132 165 209 303 179 200 166 106 184 95 77 165 91 135 109 130 79 48 85 60 122 79 44 101 90 84 99 86 93 105 123 73 78 89 76 91 57 68 72 60 68 66 -6 90 55 48 30 23 72 58 66 38 74 42 51 39 45 29 -17 28 -17 -19 22 37 17 -31 28 -15 -19 -35 -21 -19 -26 -32 9 -37 4 24 -30 -10 17 30 -22 26 27 -20 -25 16 -24 15 31 8 17 5 -14 33 20 -30 -26 -12 35 -34 33 -13 -25 -18