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#3
September 19th 03, 10:30 PM
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"John Passaneau" wrote in message ...
But a gamma match is an un-balanced load and a 1:1 balun is not needed. -- John Passaneau, W3JXP Penn State University In a way I agree, and don't bother with chokes on many of my beams. But I have heard of some that reported some common mode problems with the gamma match alone. A choke should clean this up, but it will be pretty small choke for 6m use, and be effective. For 6m, beads might be a route to consider. ? Myself, I've never really had any trouble not adding a choke. My 2m FM 3 el has a gamma and no choke. Same for my 3 el 6m yagi. Here, they are some of my "coldest" antennas as far as rf on the feedline. Maybe I just lead a charmed life..  MK |
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