% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 207 75 119 97 66 70 97 67 112 117 158 112 156 233 310 246 183 119 184 153 190 102 174 114 102 97 83 94 87 68 50 65 -2 16 35 28 -38 18 -21 47 9 38 25 47 12 21 21 36 24 -40 -44 -21 29 31 -11 56 -9 -28 -26 -34 -10 -14 14 33 33 34 -40 -5 13 17 47 -24 -21 42 49 26 37 29 -15 43 32 -27 8 -31 24 -29 20 -19 39 22 28 18 75 49 -31 32 9 21 -13 -29 -18 -21 29 -41 30 -20 -12 23 -20 -30 -22 -16 32 -45 14 52 -48 27 27 13 -16 36 24 21 -13 18 -10 10