Hi I just installed at home a 3 element SteppIR (6 - 20 mts) I noticed SWR about 1.5-1,7:1 on 12 and 15 mts I think is not a big problem, anyway in other bands SWR is totally flat 1:1 Something I need to check to get also 1:1 on 12 and 15 mts bands? Thanks, Jorge CX6VM/CW5W