I think i would like to choose end fire pattern. because it's
construction is relatively noncritical. Cheers!
Reg Edwards wrote:
Does anyone could tell me how to calculate the number of turns
required by given frequency? e.g. 2.4GHz. What are the factors that
going to effect the turns? It would be so great if you can list some
reference. Cheers!
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What type of helix do you want?

End-fire or broadside radiation pattern?

They are altogether different in construction.