On Tue, 13 Jan 2009 19:25:50 -0500, n4is wrote: >Of course; a very good ground is necessary to make the choke work. I agree the CHOKE is critical, and it should be brute force (that is, a design goal of 5Kohms at frequencies of interest). I do NOT agree that the ground is needed beyond for whatever it takes to make the antenna work. 73, Jim K9YC