% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 318 94 85 112 81 99 47 109 183 144 97 155 272 285 242 263 263 315 419 335 313 300 338 273 388 321 232 245 166 252 176 145 232 189 81 120 132 119 83 81 125 93 82 83 97 25 47 88 76 80 148 91 39 72 67 24 74 68 78 57 67 -33 69 54 -21 31 -29 -27 40 57 26 -21 -26 39 -23 54 63 47 32 -20 -18 -7 -19 8 -7 25 45 -37 -21 8 -24 -24 -12 -30 23 36 -25 -26 29 -21 -11 -21 -7 -25 -30 -38 -13 -31 -12 -16 66 -23 29 -33 41 -8 43 52 30 18 -6 -5 23 -16 -36 20 -35 -39