% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 119 171 151 115 108 118 145 165 144 152 155 215 158 121 141 249 202 199 335 259 327 236 148 135 137 121 128 149 139 103 92 97 76 83 83 97 66 70 19 39 67 45 35 47 46 69 53 36 75 68 63 73 51 50 105 87 59 80 58 49 67 38 35 35 51 45 31 47 34 48 32 -26 42 -20 -27 33 12 38 -17 -30 57 -33 15 34 -8 30 23 25 -28 -18 -8 7 41 14 -18 -18 48 -11 36 25 21 -38 43 -38 -23 21 -14 34 -20 21 19 43 -30 -38 -16 41 -24 20 -30 -27 -22 -30 44 -3 -36 -32 -32 -33