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Re: 2.4GHz helix (newbie)



> I'm attempting to build an helix antenna for 2.4 GHz. Actually two helix,
> one 22 (or maybe more) turn RHCP and one LHCP for feeding an offset
> dish. The question is: can I use 4 mm copper tubing to build these helix
> using G3RUH's instructions and methods or do I need to recalculate
> the whole thing?
There is an optimum diameter for the helix element and it can be calculated but (within
reason) it is the least important of all the parameters and in practice 4mm tubing will be
quite OK. No need to re-calculate anything else.
Bill...vk3jt
Milawa
Australia


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