% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 119 72 116 95 59 85 52 64 173 345 186 233 276 405 257 289 181 200 193 223 140 141 163 189 88 135 99 149 105 104 183 93 113 71 109 83 75 110 74 57 95 76 75 74 123 134 67 149 95 118 112 102 167 162 96 62 124 124 90 64 77 75 107 103 63 62 66 33 60 78 45 65 48 34 28 74 27 51 38 41 -21 41 45 36 30 -18 -25 22 -8 45 -19 -34 35 22 17 -40 -28 -34 26 38 29 34 23 -28 28 -13 14 19 5 18 17 9 -38 -7 -23 -24 -9 43 -31 -42 -24 8 20 -15 -18 14 -16 22