TY - CPAPER AU - Niels Bormann AU - Massimo Bonavita AU - A. McNally BT - Seminar on Use of Satellite Observations in Numerical Weather Prediction, 8-12 September 2014 CY - Shinfield Park, Reading DA - 2015 LA - eng PP - Shinfield Park, Reading PY - 2015 T2 - Seminar on Use of Satellite Observations in Numerical Weather Prediction, 8-12 September 2014 TI - Progress towards better representation of observation and background errors in 4DVAR ER -