UV_TRACKS /FRAME

        [ASTRO\]UV_TRACKS ... /FRAME [size] [/HOUR_ANGLE Hmin [Hmax]]  [/TA-
    BLE  [Name]]  [/HORIZON  Elmin]  [/INTEGRATION  t]  [/STATIONS ALL|list]
    [/WEIGHT Mode]

    Option /FRAME [size] should be used to  start  a  new  UV  coverage.  It
    clears  the  plot,  draws  the  box,  and  open a new table if /TABLE is
    present. 'size' is the maximum UV spacing plotted,  in  meters  (default
    800  m).  Subsequent  call  to the command (without /FRAME) adds the new
    configurations.