W4TV wrote: >>> Roger Cox then/formerly of HyGain posted some dimension changes many years ago. Roger used to be WB0DGF, he is now W8IO. His web site at http://www.w8io.com/hamradio.htm shows his email address at the bottom of the page. Another link of interest: http://ethw.org/Hy-Gain_TH7DX_Antenna Dan, AC6LA