PINATUBO - 632.8nm Measured scattering matrix elements as functions of scattering angle theta (in degrees), corresponding to curves presented in Volten et al. JGR, 106, 17375-17401,2001, for Pinatubo Volcanic Ash at 632.8 nm, except for the values for F11 and -F12/F11 which were presented in Munoz et al. JGR, 107, 10.1029/2001JD000983, 2002. 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: Volten et al. JGR, 106, 17375-17401, 2001; 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 F22/F11 error F33/F11 error F34/F11 error F44/F11 error 5 18.312 1.968 -0.010 0.003 0.974 0.015 0.982 0.022 -0.010 0.019 1.002 0.035 10 6.923 0.390 -0.004 0.002 0.968 0.015 0.961 0.016 -0.002 0.018 0.976 0.018 15 3.553 0.133 -0.003 0.003 0.958 0.017 0.938 0.003 -0.008 0.019 0.970 0.010 20 2.168 0.057 0.000 0.004 0.946 0.008 0.921 0.010 -0.008 0.015 0.945 0.008 25 1.410 0.040 0.002 0.002 0.927 0.003 0.915 0.007 -0.008 0.020 0.945 0.033 30 1.000 0.000 0.006 0.003 0.906 0.004 0.892 0.006 -0.004 0.016 0.916 0.023 35 0.741 0.008 0.012 0.004 0.895 0.001 0.872 0.002 0.011 0.015 0.879 0.013 40 0.562 0.018 0.014 0.002 0.878 0.004 0.851 0.010 0.023 0.013 0.855 0.009 45 0.437 0.016 0.019 0.005 0.851 0.001 0.813 0.008 0.025 0.017 0.826 0.003 50 0.356 0.022 0.032 0.001 0.825 0.004 0.782 0.007 0.041 0.015 0.788 0.004 55 0.294 0.022 0.044 0.008 0.804 0.005 0.735 0.008 0.058 0.016 0.769 0.012 60 0.248 0.022 0.062 0.007 0.786 0.009 0.682 0.010 0.069 0.021 0.742 0.018 65 0.211 0.022 0.072 0.002 0.759 0.004 0.639 0.015 0.079 0.026 0.698 0.019 70 0.185 0.022 0.082 0.003 0.730 0.002 0.587 0.022 0.101 0.019 0.662 0.019 75 0.163 0.018 0.097 0.018 0.697 0.002 0.515 0.010 0.098 0.039 0.613 0.021 80 0.147 0.018 0.110 0.015 0.652 0.015 0.472 0.015 0.103 0.035 0.591 0.025 85 0.132 0.016 0.124 0.005 0.610 0.006 0.410 0.001 0.120 0.047 0.544 0.003 90 0.124 0.015 0.128 0.009 0.577 0.009 0.345 0.016 0.131 0.038 0.509 0.019 95 0.113 0.017 0.122 0.005 0.532 0.015 0.294 0.008 0.119 0.041 0.455 0.015 100 0.109 0.016 0.126 0.009 0.516 0.005 0.218 0.003 0.120 0.037 0.410 0.039 105 0.102 0.015 0.127 0.013 0.464 0.006 0.167 0.001 0.135 0.040 0.372 0.010 110 0.096 0.016 0.124 0.007 0.445 0.035 0.077 0.005 0.106 0.048 0.320 0.028 115 0.093 0.017 0.114 0.010 0.433 0.028 0.019 0.014 0.115 0.038 0.263 0.007 120 0.087 0.016 0.107 0.002 0.406 0.003 -0.042 0.005 0.114 0.038 0.221 0.011 125 0.085 0.014 0.103 0.007 0.418 0.023 -0.128 0.026 0.119 0.054 0.193 0.036 130 0.083 0.015 0.089 0.009 0.347 0.032 -0.141 0.013 0.113 0.040 0.147 0.025 135 0.081 0.015 0.072 0.007 0.364 0.008 -0.229 0.023 0.068 0.054 0.082 0.018 140 0.080 0.012 0.060 0.003 0.400 0.032 -0.189 0.002 0.070 0.032 0.038 0.016 145 0.079 0.014 0.053 0.004 0.409 0.021 -0.303 0.040 0.057 0.044 -0.001 0.020 150 0.082 0.013 0.011 0.019 0.424 0.009 -0.325 0.027 0.051 0.040 -0.043 0.024 155 0.082 0.014 0.008 0.019 0.397 0.002 -0.387 0.010 0.020 0.013 -0.103 0.027 160 0.083 0.014 -0.023 0.012 0.479 0.008 -0.382 0.011 0.004 0.035 -0.146 0.038 165 0.084 0.012 -0.021 0.014 0.516 0.011 -0.437 0.003 -0.027 0.014 -0.195 0.019 170 0.089 0.011 -0.025 0.002 0.509 0.016 -0.406 0.002 -0.026 0.013 -0.186 0.004 171 0.091 0.013 -0.030 0.017 0.529 0.011 -0.503 0.001 -0.034 0.052 -0.187 0.045 172 0.093 0.012 -0.031 0.010 0.523 0.015 -0.497 0.012 -0.021 0.036 -0.163 0.038 173 0.086 0.008 -0.017 0.008 0.526 0.046 -0.472 0.006 -0.033 0.017 -0.121 0.008