Helical Antenna Calculator

Enter value and click on calculate. Result will be displayed.

Enter your values:

Wavelength:
m

Or

Frequency:
MHz
Number of Turns:
Space between coils:
wavelength

Result:

Antenna Gain:
dBi
Impedance:
Ohms
Diameter:
cm
Space between coils:
cm
Length of wire:
cm
Half Power Beam Width:
degrees
Beam Width First Nulls:
degrees
Apperature:
m2

Helical Antenna Calculator

Usage example
Input 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; space range between coils 0.6

Click "Calculate" to output the results:

Wavelength 938; Antenna gain 24.6; Electrical impedance 150; Diameter 2.98e+4; Space range between coils 5.63e+4; Wire length 3.75e+6; Antenna half power angle 10.6; Main lobe width 23.5; Aperture 2.02e+ 7
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