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I am trying to build a CB 3 element beam - Ever formula I find on line gives me different answers.I use the wave length of 33.4444 - most come up with close to the same element length but boom sizes are different. I decided on a 10' boom, reflect - 220" - DE -198" D - 180" & R to de = 67" and...

Would he not be better off to take that one apart and maybe make a 3 element yagi out of the pieces.?

First I refer to positive & negative - looking at the sine wave up and down is goes - down is negative up is positive. I did not want to get into advanced discussion . I do not know it all - unlimited master electrician ship & shore- Elec. Eng. - not a smart ass. you are correct sp5it.I get so...

sp5it - simple 3 element beam - the DE positive and negative separated by 2 " with a fiberglass rod , it will not be connected to the boom. Antennas are nor as simple as some people say.

I guess I will use aluminum elements connected to a 10' piece of EMT. That connected to a steel piece into my rotor, then to my steel mast, I will use a 1-1 balun. Then 50' from antenna a coax ground block. Thanks for your help

Probably very basic to you folks. I am building a 3 element CB base antenna. QUESTION - do I bolt my aluminum elements directly to a metal boom - are separate them with insulating pads. Getting back in after 30 years absence.Forgot most of what I knew. Any way I have the aluminum for the...

I have a question on these questions / comments ! Antenna sizes lengths, where does a person buy the light weight aluminum tubing for the 16' - 18' long elements ? Copper is fairly cheep but heavy. I am trying to build A - 4 element - 11 meter antenna.For a 16' element i do not want 3 or 4...