Documentation on paraplot

Task: paraplot
Purpose: Plot parallactic and elevation angle for a source.
Categories: utility

        PARAPLOT plots parallactic angle and elevation as a function of
        hour angle.

Key: lat
        Observatory latitude, in degrees. The default is the AT's latitude.

Key: elev
        Elevation limit, in degrees. Default is 15 degrees.

Key: dec
        Source declination, in degrees. Default is the same declination
        as the observatory.

Key: device
        PGPLOT device. Default is no plot.

Key: log
        Log file. Default is no log file.