Fig. 5From: Prediction of global ionospheric VTEC maps using an adaptive autoregressive modelBias of the differences between forecasting products and the final CODG in 2009 and 2015. The magenta and red dotted lines depict the bias between ARPG and CODG in 2009 and 2015, respectively. The green and blue dotted lines depict the bias between C1PG and CODG in 2009 and 2015, respectivelyBack to article page