% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 141 132 108 79 97 26 42 -21 94 132 265 336 744 276 351 325 242 345 214 294 211 218 276 219 126 164 151 117 212 143 114 102 115 72 89 123 123 51 105 73 138 123 160 173 162 242 113 184 183 179 133 140 134 216 173 76 155 125 78 50 84 77 89 102 88 71 61 87 62 73 107 50 68 53 62 79 67 61 70 25 36 37 33 62 35 46 47 57 28 48 45 40 26 25 -1 58 -6 27 -31 -19 -9 -13 21 -22 -13 -17 11 -38 -20 10 -27 -15 -7 18 -24 37 13 31 41 -5 10 -14 1 -3 -17 19 41 -18