Optimum spacing center to center should be 0.85 to 0.95 wavelength. Sometimes a phasing harness won't allow you to get that far, so you do the best you can.
Chuck WB2EDV ----- Original Message ----- From: "W8KT" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Tuesday, September 14, 2004 4:36 PM Subject: [Repeater-Builder] DB-420B Element spacing > Hi, I have a quired a used DB-420B antenna. My plans are to use it for > my 443.65 repeater. After a close inspection I have found that the > previous owner must have tried some "tuning". All of the spacings in the > vertical plane between elements are different dimensions. So, I have a > few questions: > > 1. Can anyone tell me what the center to center spacing is supposed to be? > > 2. Would it be of any benefit to change the spacing to reflect the lower > operating frequency? > > The antenna has a good SWR at my freq. but I am sure the pattern cannot > be at its best with the varied spacing. Any help appreciated. > > Thanks, > > Bob > > > > > > > > Yahoo! Groups Links > > > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
