On Tue, 3 Mar 2009 00:15:04 -0000, Geoffrey Mackenzie-Kennedy wrote: >If a resonant trap is placed at the bottom end instead of a choke as an >insulator,
A coaxial choke wound on a ferrite core IS a parallel resonant circuit. Properly done, the choke should be wound to place the resonant frequency where the antenna will be operated! Study the references I cited in the earlier post. As to your other suggestions -- yes, this method of feeding opens up many interesting possibilities! 73, Jim K9YC ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html