% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 114 56 73 97 54 54 74 107 86 109 93 93 110 211 194 197 249 222 194 102 93 89 74 101 74 75 31 89 126 112 66 86 98 33 77 64 90 104 31 55 49 62 62 88 108 105 162 83 210 230 252 316 304 223 204 169 165 116 123 159 136 125 99 100 96 83 70 99 80 71 112 64 60 74 94 80 48 77 55 82 57 18 43 30 51 82 58 17 21 57 27 49 48 27 32 26 -20 38 -19 27 -26 36 21 28 32 -15 12 -27 -37 14 -22 33 -8 18 -25 30 23 -16 -20 -32 -31 -33 -21 -23 25 21 -4 -18