It's quite possible that the addition of a beam at 60 ft. could cause capacity hat effect changing the current flow in the tower. It might be worth modeling this.
Jim - KR9U >> I have a 100 ft tower with jk mid tri 40 on top. When shunt fed, it >> was pretty competitive on 160. Recently the antenna seems to be a few >> db weaker. The only change was adding another beam at 60ft. Could it >> have had an impact? Adding the beam only marginally affected the match. _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
