[CLEAN\]UV_BASELINE /VELOCITY V1 [... [Vn]] [/WIDTH Width [TYPE]] Specify around which velocities the line emission should be filtered. Ve- locities V1 to Vn must be in km/s. The full width of the filtering window around every frequency can be set by option /WIDTH. The optional argument TYPE indicates the type of width: FREQUENCY (in MHz), VELOCITY (in km/s) or CHANNEL (no unit), the default being FREQUENCY. The default width is the current channel width.