Helical Antenna Design Calculator

Helical or Helix Antennas transmit a circular polarized wave. Enter the Wavelength, Number of Turns and the space between each coil to calculate the Antenna Gain, wire diameter, Half Power Beam Width, Beam Width First Nulls and Effective Apperature.

Helical or Helix Antenna Design Calculator

Wavelength
Number of turns
Spacing Between Coils (Usually 0.25)
wavelength

Result

Antenna Gain (dB):
Diameter (cm):
Half Power BW (Degrees):
BW first nulls (Degrees):
Effective Apperature (m²):

Formula for Helical Antenna Design Calculator

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