% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 198 167 93 76 51 79 87 128 90 165 227 235 233 197 218 126 139 174 82 115 58 80 79 132 112 115 77 72 32 44 74 56 13 65 61 22 25 9 43 16 39 19 48 48 61 53 -16 69 41 48 -20 21 37 37 38 27 6 37 -12 33 22 -22 27 -27 6 -28 -25 -22 -18 -33 -15 -37 -37 -17 -30 -33 -32 -2 -30 -24 -27 -30 -32 -24 -39 -10 -36 -2 8 6 30 28 34 24 -8 22 17 -6 -22 22 17 20 35 -18 38 24 5 0 -26 -21 -20 24 12 9 -13 -10 29 21 30 -10 -20 -30 -2 -39 32 -10 -33 -15