Recently I worked with vertical V dipole. On 14 I could get an SWR of 14.005=1:1.3 and 14.345=1:1.1 an on 21 I got 21.005=1:2.5 and on 21.400=1:2.8. Both the antennas are mounted on same boom with a gap of just 1 feet. Now When I increase the length I am not able to reduce the SWR and its not tuning to the lower end. Now I want to experiment with the 28 element also on the same boom. I can switch the antennas individual as well as interconnect all the and bands together and use common coax. Can any one comment and modification on this setup and ways to improve the performance. the idea to go for a Vertical V is its added advantage of the height.
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will be helpful