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How to start making a 27MHz helical antenna

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hangjien

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27mhz antenna

I am doing a 27MHz Antenna, it is on a transceiver,it will be a helical antenna and it should have a indoor operating range of 30m,how can i start my work?

thanks all
 

vfone

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Re: 27MHz Antenna

I think that actually you are looking to build a Whip antenna, loaded with an inductor.
Helix for 27MHz is a giant antenna (doesn’t matter for what mode, normal or axial), and probably to get the right load impedance you need a ground bigger than your car.
Helix is dedicated mostly for UHF and SHF frequencies.
 

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