helix antenna calculator

enter the value and click "calculate", the calculation result will be displayed.

enter a value:

wavelength:

m

Or

frequency:

MHz

number of turns:

coil spacing:

wavelength

calculation result:

antenna gain:

dBi

impedance:

Ohms

diameter:

cm

coil spacing:

cm

wire length:

cm

half power beamwidth:

degrees

first zero point beamwidth:

degrees

aperture:

m²

helix antenna calculator

usage example
enter data

wavelength 320

click "calculate" to output the results:

frequency 0.938mhz; electrical impedance 150 ohms; diameter 1.02e+4

or enter data

frequency 0.32mhz; number of turns 40; coil spacing range 0.6

click "calculate" to output the results:

wavelength 938; antenna gain 24.6; electrical impedance 150; diameter 2.98e+4; coil spacing range 5.63e+4; line length 3.75e+6; antenna half power angle 10.6; main lobe width 23.5; aperture 2.02e+7

search calculator