On Thu, May 30, 2013 at 9:47 PM, Lee Stephens <[email protected]>wrote:
> ....never heard of the 'Cobweb' but.... =========== Well, it's really the same thing as a halo, which in turn is the same thing as a dipole that's been bent into a circle (or in this case a square) and trimmed so that it's resonant after taking account of the proximity effect at the ends. It emits horizontally polarized radiation in all directions, and generally works fine. Several can be combined for an all-bander (see http://www.g3tpw.co.uk/). If fed with coax, it will benefit from a coaxial choke mounted near the antenna. Tony KT0NY ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
