Why would it matter where it's fed? A half wave dipole has the same current distribution regardless of the feed point.
Wes. N7WS On Jun 27, 2014, at 5:51 AM, K8JHR <jricha...@k8jhr.com> wrote: > Hmmm.... vertical dipole... vs... end fed half wave vertical "dipole" - > not sure these are equivalent in performance. I know W8JI thinks the end fed > half wave needs some sort of ground system-counterpoise to keep the feed line > from becoming part of the antenna, so I am wondering - asking not telling - > whether these two are really equivalent? (He said reaching for his ARRL > Antenna Book...) > > I believe Jim K9YC modeled a true vertical dipole (including the n6BT > end-loaded vertical dipole) - but I would expect it to work out differently > from an end fed half wave vertical. The GAP antennas and Cuschraft R8 and R9 > type are supposed to be loaded vertical dipoles, and are not, I don't think, > end feds... but that is the question... are these really all equivalent? > Certainly feeding at the bottom of an end fed would be easier from a > construction and deployment point of view, so I can see the obvious appeal > therefor, but then does it work as well as, say, the N6TB vertical dipole fed > in the middle? > > > ______________________________________________________________ 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 Message delivered to arch...@mail-archive.com