Here is a multiband vertical antenna tha covers 40, 30, 20 and 15 meters. It will require the usage of a proper antenna tuner for optimal usage.
This antenna has been designed with the portable use in mind, therefore is a compromise for multiband and portale usage.
[gview file=”http://www.iw5edi.com/wp-content/uploads/2013/04/W0SJS-Vertical.pdf” height=”1100″]