% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 195 121 112 90 77 89 119 95 102 126 193 350 252 225 243 225 346 298 283 321 246 204 179 218 107 123 113 57 65 123 93 151 110 67 59 70 107 130 113 136 62 51 109 110 134 81 146 132 77 140 51 120 83 60 80 48 80 82 82 65 55 45 54 58 55 58 31 55 47 45 19 -10 -27 -41 -25 29 28 -28 13 -22 -22 28 35 -32 -38 -22 -13 -41 -17 -35 -37 -22 10 37 16 -45 -29 -10 44 -38 28 -26 23 -25 -36 -8 23 -16 31 -22 -15 -21 -14 28 36 -21 -26 -29 42 -18 -15 26 26 30 34 26 -31 -35