Found this new post from N6LF http://www.antennasbyn6lf.com/2013/08/short-antennas-for-160m-and-600m.html the file http://rudys.typepad.com/files/qex-short-verticals-for-160m.pdf J.Hector Garcia XE2K / AD6D Mexicali B.C DM22fp / El Centro P.O.Box 73 El Centro CA 92244-0073 http://xe2k.net