% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 88 69 56 62 88 72 60 83 126 207 247 243 255 313 161 149 173 203 130 134 67 75 104 95 78 84 50 64 65 36 19 39 42 34 39 25 9 27 -13 24 9 18 19 11 -7 -17 -19 -18 -18 -15 -13 -16 -18 -8 -11 -21 -22 -21 -18 -25 -24 -23 -25 -22 -23 -13 -25 -18 -24 -22 -22 -20 -16 -22 -17 -18 -21 21 -22 -20 -8 -24 -24 -21 -9 -13 -17 -16 -19 -18 13 -19 -20 -14 -25 -16 -21 -22 5 -11 3 10 11 -8 -3 12 -14 -14 13 -5 5 -18 -13 13 5 15 -11 26 -4 9 16 -12 -15 17 6 5 16 -8