I'm looking for Recent Engineering Calculations and Specs. for Rohn 45 Sections. I will be dealing the County planning of San Diego in the near future. Ron -- Best DX Ron Rosson(N6XT, ex WB6ORX) http://rossonranch.com/n6xt/index.html n6xt at sbcglobal.net Virus scanned by Norton AV 2K6