Helical Antenna Calculator
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Online electrical calculator which allows you to calculate the Antenna Gain, Impedance, Diameter, Space between coils, Length of wire, Half Power Beam Width, Beam Width First Nulls, Apperature. It is also referred as Helix.

Calculate Antenna Gain, Impedance using Helix

Select M or MHz =
Wavelength = M
Frequency = MHz
Number of Turns =
Space between coils = wavelength
 
 
 
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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