CALIBRATE /GRID

    /GRID [yes|no]

    NOT YET AVAILABLE FOR EMIR

    Do a calibration subscan on a grid.  This is a special calibration
    option for polarization observations.

    Logical   :: doGrid           ! default: true

    IMPORTANT NOTE:
    remember to turn this option off again for normal calibrations:
    e.g., CALIBRATE /GRID NO or CALIBRATE /DEFAULT.