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An on-line javascript calculator and quite a few pictures to show how to make a helix antenna.

Helix antenna calculator, to design and make helix antenna plans

Helical antennas invented by John Kraus give a circular polarized wave. They are one of the easiest to design. Find a tube with a circumference equal to one wavelength, and wrap wire in a helix spaced a quarter wavelengt

Online helix antenna designer, calculate size of helix antennas online

Helix antenna online calculator with match calculator

This online calculator will give as output the Inductance L of a coil, including the total lenght of the wire needed to wound the coil. As input, requires the Diameter, number of turns, wire diameter and turn spacing