% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 43 60 30 -17 39 25 27 102 116 72 135 111 99 170 153 203 175 115 100 103 145 109 50 114 83 99 173 170 137 160 145 149 133 72 104 121 86 171 173 113 215 146 109 108 153 133 94 99 98 168 146 94 77 102 89 93 110 78 69 58 67 58 57 80 76 76 65 100 39 60 37 34 28 -21 46 51 27 61 34 63 34 42 36 19 17 34 11 39 30 23 46 25 28 37 41 36 -19 12 22 32 -16 -22 35 29 -12 28 19 -15 15 -26 27 -9 21 -34 21 7 19 15 28 -26 -26 -27 -24 -32 -21 -25 13 -6