The arguments control the action. SELFCAL ? Lists the self calibration parameters SELFCAL AMPLI Perform an Amplitude only self calibration SELFCAL APPLY Apply the solution SELFCAL FLAG [] Flag data according to self calibration correction SELFCAL PHASE Perform a Phase only self calibration SELFCAL SAVE Save the parameters in selfcal.last SELFCAL SHOW [] Show the computed corrections SELFCAL SUMMARY Display the improvements in Noise & Dynamic range