% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 195 83 85 65 79 71 65 73 77 64 52 80 89 146 101 193 99 60 56 108 92 79 101 82 127 69 89 95 86 63 91 72 15 49 60 62 41 71 84 68 54 71 90 76 95 105 86 54 77 48 71 62 52 62 45 62 40 23 37 62 39 38 38 36 47 69 58 72 46 54 39 41 39 50 39 54 32 37 38 40 44 15 45 11 54 33 46 -34 10 56 25 1 52 39 -36 44 39 -26 36 50 4 -23 -21 8 -13 28 -22 12 50 -21 23 19 13 -27 -15 -32 -25 27 12 -38 -40 -10 36 15 -32 -20 11 -35