% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 410 205 215 160 163 165 125 115 153 156 201 214 184 259 211 222 201 230 199 212 174 120 132 125 79 108 69 119 165 77 107 147 178 145 151 128 94 86 124 138 95 101 103 57 69 87 66 53 43 36 46 86 76 77 19 73 68 62 55 67 73 98 51 103 61 116 117 95 95 123 80 83 88 98 83 86 64 37 75 83 73 71 45 68 44 44 36 -11 46 27 -35 53 -19 22 -28 60 19 73 56 -8 -23 5 -19 -34 21 -21 -18 -42 -26 -19 -14 -33 -19 10 11 23 -12 -26 -3 9 27 61 -46 27 -31 -33 -35 25