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
Results:
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
 
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