% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 387 190 98 110 17 83 34 107 212 307 576 467 601 428 383 302 308 260 165 215 205 166 191 189 145 147 95 85 58 93 71 126 76 81 91 65 67 94 67 88 12 -36 -32 68 39 50 30 30 42 38 -19 48 1 -21 -29 -32 -47 -16 -44 60 70 75 33 85 48 49 46 43 -25 49 50 23 68 41 40 69 46 87 -13 50 67 60 41 75 50 85 -30 35 47 33 51 27 -22 41 51 37 -17 25 57 72 -14 3 -37 -42 -6 -18 32 -29 -31 2 33 36 -38 7 -42 27 -20 -15 40 6 12 -9 -34 54 47 -43 -29 -38