CHICHON - 632.8nm Measured scattering matrix elements as functions of scattering angle theta (in degrees), corresponding to curves for El Chichon volcanic ash presented in Munoz et al. JGR, 107, 10.1029/2001JD000983, 2002 at 632.8 nm. The experimental errors are also given. F11 is normalized to 1 at a scattering angle of 30 degrees. DATA ARE FREELY AVAILABLE UNDER THE REQUEST OF CITATION OF: Muñoz et al. JGR, 107, 10.1029/2001JD000983, 2002, AND Munoz et al. JQSRT, 113, 565-574, 2012. angle F11/F11(30deg) error -F12/F11 error 5 18.301 2.061 -0.006 0.001 10 7.040 0.316 -0.001 0.002 15 3.339 0.119 -0.003 0.003 20 2.062 0.032 0.002 0.002 25 1.359 0.019 -0.004 0.003 30 1.000 0.000 -0.000 0.003 35 0.761 0.003 0.003 0.004 40 0.604 0.005 0.008 0.004 45 0.478 0.005 0.014 0.000 50 0.400 0.003 0.026 0.005 55 0.339 0.003 0.029 0.003 60 0.292 0.005 0.045 0.004 65 0.256 0.007 0.062 0.002 70 0.227 0.006 0.066 0.006 75 0.205 0.006 0.075 0.006 80 0.187 0.004 0.084 0.009 85 0.172 0.003 0.092 0.007 90 0.159 0.004 0.098 0.004 95 0.151 0.006 0.099 0.006 100 0.141 0.003 0.090 0.004 105 0.130 0.003 0.100 0.008 110 0.126 0.004 0.102 0.006 115 0.123 0.003 0.090 0.011 120 0.118 0.004 0.106 0.004 125 0.113 0.004 0.085 0.006 130 0.113 0.004 0.070 0.012 135 0.113 0.004 0.063 0.002 140 0.109 0.004 0.043 0.005 145 0.109 0.004 0.037 0.011 150 0.110 0.006 0.020 0.001 155 0.110 0.005 0.000 0.010 160 0.109 0.004 -0.010 0.012 165 0.109 0.004 -0.017 0.016 170 0.116 0.004 -0.025 0.009 171 0.117 0.005 -0.025 0.006 172 0.122 0.003 -0.016 0.006 173 0.127 0.004 -0.034 0.012