UV_FIELDS /FILE

        [CLEAN\]UV_FIELDS RaVar DecVar [Unit] [/CENTER Ra Dec] /FILE File

      Modify the specified File.uvt handling the UV table.

    If the option is not present, it would instead modify the current UV da-
    ta  in IMAGER. However, the READ command prevents to load UV tables that
    require the action of the UV_FIELDS command, so in practice,  the  /FILE
    option becomes mandatory.