The antenna was designed by AA6DD, has been questioned, but works. I'll look for the file. Subject: Re: [50mhz] SOTA's on 6... And do you have any schematics for your 5/8 over 5/8 vertical??? I've been trying to figure out the bast way to modify my "DOMINATOR" 5/8 wave vertical... http://fmbroadcastantenna.com/6meter.html > EdZ KG6UTS