Rudy, It sounds as though you are tuning the verticals while they are
coupled in the array. I always tune the individual elements in an isolated
environment. Then pull up the whole array to see how it plays. You need to
de-tune the other 3 elements while you are tuning each element. This can be
accomplished a number of ways. If it's a wire, the easiest thing to do is
just drop the wires down by at least 50% so that the coiling up wire is no
longer resonant in the 80M band.
I am not a 4 square expert but I have built several phased vertical arrays
for 80 and 160. I always use chock feed baluns. I believe DX Engineering's
4 square kits use the same.
Ed N1UR
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