hi, I just updated the bottom of the page https://hallcweb.jlab.org/experiments/sane/wiki/index.php/Azimuthal_Angle_Correction_for_target_mag._field#Update_Azimuthal_angle_corrections_08.2F31.2F2011 so that to see the "az0" and "az_corr" parameters and the azim. angle correction equations. Have a Great Day Anusha