The Author has been making commercial antennas for years. This is a report for a another commercially made one
It appears to be built for a light duty application for a type amateur station at the home.
The manual is here for the antenna
The manual is here for the assembly
This may be copied in complete form only for non-profit purposes, such as for the knowledge for the Amateur Radio Service, with the Author credited as designer. For other arrangements please contact the Author.