% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 104 76 98 49 50 27 54 46 31 119 278 415 973 879 482 567 509 315 183 95 114 92 94 67 102 118 67 77 65 90 -19 -32 31 34 -21 47 32 -12 18 12 -40 -13 -3 44 71 34 22 101 43 56 112 63 84 96 97 12 84 68 57 74 73 70 61 81 73 -4 63 80 40 44 -28 45 47 36 50 45 47 10 -16 45 21 40 21 47 22 -17 32 32 36 -19 45 20 -40 -10 -32 9 -37 33 -18 -27 42 -24 -36 19 39 -20 -28 -4 -42 -17 44 -18 -4 -23 -28 -18 -10 37 -25 -22 47 5 33 -29 11 -16 -28 37