vis='ngc5921.ms' selectdata=true antenna='4&7' plotxy --->mark region-->locate caltable='ngc5921.bcal' plotcal --->mark region-->locate =================You do not need to manually run regressiong test===== =================You do not need to do the following either ========== =================I know they are work ok ------------------------------test subplot, iteration default('plotxy') vis='ngc5921.ms' selectdata=true field='2' iteration='antenna' subplot=221 plotxy subplot=111 plotxy subplot=122 plotxy ------------------------test overplot, average, color default('plotxy') vis='ngc5921.ms' selectdata=true antenna='8&11' selectplot=true newplot=true overplot=false xaxis='chan' spw='' width='1' timebin='0' plotcolor='red' plotsymbol='.' plotxy newplot=false overplot=true width='1' timebin='all' plotsymbol='o' plotcolor='blue' plotxy