This calculator will tune any wire antenna – as long as you know where it’s resonant now – and where you want it to be resonant. Have confidence, it works on quarter waves (verticals or dipoles), loops and EFHW antennas! Callum.
Folks don’t seem to be able to use a search engine – as I explained at the beginning of this video.. So to shortcut this:
https://www.m0mcx.co.uk/quick-swr-calculator-for-vertical-and-dipole-ham-radio-antennas/
https://youtu.be/BYF3FWV3nG0 – The older video I mentioned
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